Publikationen
Papers in Peer-Reviewed Journals and Books
Bahlmann E., Weinberg I., Lavric J. V., Eckhard T., Michaelis W., Santos R., and Seifert R. (2014) Tidal controls on trace gas dynamics in a seagrass meadow of the Ria Formosa lagoon (southern Portugal). Biogeosciences Discussions 11,10571-10603.
I Weinberg I., E Bahlmann E., T Eckhardt T., W Michaelis W. and Seifert R. (2014) A halocarbon survey from a seagrass dominated subtropical lagoon, Ria Formosa (Portugal): flux pattern and isotopic composition. Biogeosciences Discussions 11, 10605-10646.
Bahlmann E., Weinberg I., Eckhardt T., Michaelis W., Seifert R. (2013) Longterm and seasonal variation in the isotopic composition of tropospheric CFC-12 and CFC-11. Geophysical Research Abstracts 15, EGU2013-9382
Bahlmann E., Weinberg I., Eckhardt T., Seifert R. and Michaelis W. (2013) Inferring marine sinks and sources of monohalomethanes from their carbon stable isotope composition. Geophysical Research Abstracts 15, EGU2013-9440, 201.
Bertram S., Blumenberg M., Michaelis W., Siegert M., Krüger M. and Seifert R. (2013) Methanogenic capabilities of ANME-archaea deduced from (13) C-labelling approaches. Environmental Microbiology 15, 2384-2393.
Weinberg I., Bahlmann E., Michaelis W. and Seifert R. (2013) Determination of fluxes and isotopic composition of halocarbons from seagrass meadows using a dynamic flux chamber. Atmospheric Environment 73, 34-40.
Bahlmann E., Weinberg I., Seifert R., Tubbesing C. and Michaelis W. (2011) A high volume sampling system for isotope determination of volatile halocarbons and hydrocarbons. Atmospheric Measurement Techniques 4, 2073-2086.
Vasconcellos S. P., Dellagnezze., B. M., Wieland A., Klock J.-H., Santos Neto E. V., Marsaioli A. J., Oliveira V. M. and Michaelis W. (2011) The potential for hydrocarbon biodegradation and production of extracellular polymeric substances by aerobic bacteria isolated from a Brazilian petroleum reservoir. Journal of Microbiology and Biotechnology 27, 1513-1518.
Hinrichs K. U., Michaelis W. and Rullkötter J. (2010) Proceedings of the 24th International Meeting on Organic Geochemistry, Bremen, Germany, September 6-11, 2009. Organic Geochemistry 41, 857-857.
Hinrichs K. U., Michaelis W. and Rullkötter J. (2010) Proceedings of the 24th International Meeting on Organic Geochemistry, Bremen, Germany, September 6-11, 2009 Preface. Organic Geochem. 41, 858-859.
Oppermann B. I., Michaelis W., Blumenberg M., Frerichs J., Schulz H. M., Schippers A., Beaubien S. E. and Krüger, M. (2010) Soil microbial community changes as a result of long-term exposure to a natural CO2 vent. Geochim. Cosmochim. Acta 74, 2697-2716
Blumenberg M., Oppermann B., Guyoneaud R. and Michaelis W. (2009) Hopanoid-production by Desulfovibrio bastinii isolated from oilfield formation water. FEMS Microbiol. Lett. 293,73-78.
Valtanen A., Solloch S., Hartikainen H. and Michaelis W. (2009) Emissions of volatile halogenated compounds from a meadow in a coastal area of the Baltic Sea. Boreal Environment Research 14, 915-931.
Blumenberg M.; Seifert R.; Kasten S.; Bahlmann E. and Michaelis, W. (2009) Euphotic zone bacterioplankton sources major sedimentary bacteriohopanepolyols in the Holocene Black Sea. Geochim. Cosmochim. Acta 73, 750-766.
Blumenberg M.; Seifert R. and Michaelis W. (2009) New insights from bacterial biomarkers into the oxic/anoxic transition of the Holocene Black Sea. Geochim. Cosmochim. Acta 73 A130-A130.
Graeber I, Kaesler I, Borchert M. S., Dieckmann R., Pape T., Lurz R., Nielsen P, von Doehren H., Michaelis W. and Szewzyk U. (2008) Spongiibacter marinus gen. nov., sp nov., a halophilic marine bacterium isolated from the boreal sponge Haliclona sp 1. Int. J. of Systematic and Evolutionary Microbiology 58, 585-590.
Krüger M., Blumenberg M., Kasten S., Wieland A., Känel L., Klock J.-H., Michaelis W. and Seifert R. (2008) A novel, multi-layered methanotrophic microbial mat system growing on the sediment of the Black Sea. Environmental Microbiology 10, 1934-1947.
Kaesler I., Graeber I., Borchert M. S., Pape T., Dieckmann R., von Doehren H., Nielsen P., Lurz R., Michaelis W. and Szewzyk U. (2008) Spongiispira norvegica gen. nov., sp nov., a marine bacterium isolated from the boreal sponge Isops phlegraei. Int. J. of Systematic and Evolutionary Microbiology 58, 1815-1820.
Pape T., Blumenberg M., Seifert R., Bohrmann G. and Michaelis W. (2008) Marine methane biogeochemistry through Earths history - A review on insights from the contemporary Black Sea. In. Links between geological processes, microbial activities & evolution of life (eds. Y. Dilek, H. Furnes, K. Muehlenbachs), Springer.
Wieland A., Pape T., Moebius J., Klock J.-H. and Michaelis W. (2008) Carbon pools and isotopic trends in a hypersaline cyanobacterial mat. Geobiology 6, 171-186.
Knoblauch C., Zimmermann U., Blumenberg M., Michaelis W. and Pfeiffer, E. M. (2008) Temperature response of the active methane oxidizing community in permafrost soils and sediments of the Laptev Sea coast. Soil Biology and Biochemistry 40, 3004-3013.
Blumenberg M. and Michaelis, W. (2007) High occurrences of brominated lipid fatty acids in boreal sponges of the order Halichondrida. Marine Biology 150, 1153-1160.
Blumenberg M., Seifert R. and Michaelis W. (2007) Aerobic methanotrophy in the oxic-anoxic transition zone of the Black Sea water column. Organic Geochem. 38, 87-91.
Blumenberg M., Seifert R., Petersen S. and Michaelis W. (2007) Biosignatures present in a hydrothermal massive sulphide from the Mid-Atlantic Ridge. Geobiology 5, 435-450.
Klock J.-H., Wieland A., Seifert R. and Michaelis W. (2007) Extracellular polymeric substances (EPS) from cyanobacterial mats: characterisation and isolation method optimisation. Marine Biology 152, 1077-1085.
Kniemeyer O., Musat F., Sievert S. M., Knittel K., Wilkes H., Blumenberg M., Michaelis W., Classen A., Bolm C., Joye S. B. and Widdel F. (2007) Anaerobic oxidation of short-chain hydrocarbons by marine sulphate-reducing bacteria. Nature 449, 898-901
Seifert R., Weber S., Warmuth M., Koschinsky A. and Michaelis W. (2007) Concentrations and signatures of stable isotopes of methane and hydrogen in hydrothermal fluids of the Mid-Atlantic Ridge. Geochim. Cosmochim. Acta 71, A914
Blumenberg M., Kruger, M., Nauhaus, K., Talbot, H. M., Oppermann, B. I., Seifert, R., Pape, T. and Michaelis, W. (2006) Biosynthesis of hopanoids by sulfate-reducing bacteria (genus Desulfovibrio). Environmental Microbiology 8, 1220-1227.
Kessler J.D., Reeburgh G.S., Southon J, Seifert R., Michaelis W. and Tyler S.C. (2006) Basin-wide estimates of the input of methane from seeps and clathrates to the Black Sea. Earth Planet. Sci. Lett. 243, 366-375.
Pape T., Hoffmann, F., Queric, N. V., von Juterzenka, K., Reitner, J. and Michaelis, W. (2006) Dense populations of Archaea associated with the demosponge Tentorium semisuberites Schmidt, 1870 from Arctic deep-waters. Polar Biology 29, 662-667.
Seifert R., Nauhaus K., Blumenberg M., Krueger M. and Michaelis W. (2006) Methane dynamics in a microbial community of the Black Sea traced by stable carbon isotopes in vitro. Org. Geochem. 37, 1411-1419.
Blumenberg M., Seifert R., Nauhaus K, Pape T., Michaelis W. (2005) In vitro study of lipid biosynthesis in an anaerobically methane-oxidizing microbial mat. Appl. Environ. Microbiol. 71, 4345-4351.
Deppe U., Richnow H.-H., Michaelis W. and Anthranikian A. (2005) Degradation of crude oil by a psychrotolerant consortium at low temperatures. Extremophiles 9, 461-470
Hoffmann F., Larsen O., Thiel V., Rapp H. T., Pape T., Michaelis W. and Reitner J. (2005) An anaerobic world in sponges. Geomicrobiology Journal 22, 1-10.
Holzwarth M., Trendel J.-M., Albrecht A., Maier A. and Michaelis W., (2005) Cyclic peroxides derived from the marine sponge Plakortis simplex. J. Nat. Prod. 68, 759-761.
Pape T., Blumenberg M., Seifert R., Egorov V. N., Gulin S. B., Michaelis W. (2005) Lipid geochemistry of methane-seep-related Black Sea carbonates. Paleo3 227, 31-47.
Pape T., Hoffman F., Queric N.V., von Juterzenka N., Reitner J., Michaelis W. (2005) Dense populations of Archaea associated with the hadromerid demosponge Tentorium semisuberites from Arctic deep waters. Polar Biology 29, 662-667.
Reitner J., Peckmann J., Blumenberg M., Michaelis W., Reimer A. and Thiel V. (2005) Concretionary methane-seep carbonates and associated microbial communities in Black Sea sediments. Paleo3 227, 18-30.
Rumpel C., Seraphin A., Dignac M.-F., Michaelis W., Eusterhues K. and Kögel-Knabner I. (2005) Effect of base hydrolysis on the chemical composition of organic matter of an acid forest soil. Org. Geochem. 36, 239-249.
Blumenberg M., Seifert R., Reitner J., Pape T. and Michaelis W. (2004) Membrane lipid patterns typify distinct anaerobic methanotrophic consortia. PNAS USA 101, 11111-11116
Peckmann J., Thiel V., Reitner J., Taviani M., Aharon P. and Michaelis W. (2004) A microbial mat of a large sulphur bacterium preserved in a Miocene methane-seep limestone. Geomicrobiology Journal 21, 247-255.
Peter A., Steinbach A. Liedl R., Ptak T., Michaelis W. and Teutsch G. (2004) Assessing microbial degradation of o-xylene at field-scale from the reduction in mass flow rate combined with compound-specific isotope analyses. J. Contam. Hydrology 71, 127-154.
Rumpel C., Seraphin A., Goebel M.-O., Wiesenberg G., Gonzales-Vila F., Bachmann J., Schwark L., Michaelis W., Mariotti A. and Kögel-Knabner I. (2004) Alkyl C and hydrophobicity in B and C horizons of an acid forest soil. J. Plant Nutr. Soil Sci 167, 685-692.
Steinbach A., Seifert R., Annweiler E. and Michaelis W. (2004) Hydrogen and carbon isotope fractionation during anaerobic biodegradation of armoatic hydrocarbons- a field study. Environ. Sci. Technol. 38, 609-616.
Goedert J. L., Thiel V., Schmale O., Rau W. W., Michaelis W. and Peckmann J. (2003) The late Eocene ‚Whiskey Creek’ methane-seep deposit (Western Washington State) – Part I: Geology, palaeontology, and molecular geobiology. Facies 48, 223-239.
Richnow H. H., Annweiler E., Michaelis W. and Meckenstock R. U. (2003) Microbial in situ degradation of aromatic hydrocarbons in a conaminated aquifer monitored by carbon isotope fractionation. J. Contam. Hydrology 65, 101-120.
Thiel V., Blumenberg M., Pape T., Seifert R. and Michaelis W. (2003) Unexpected occurrence of hopanoids at gas seeps in the Black Sea. Org. Geochem. 34, 81-87.
Annweiler E., Michaelis W. and Meckenstock R. U. (2002) Identical Ring Cleavage Products during Anaerobic Degradation of Naphtalene, 2-Methylnaphtalene and Tetralin Indicate a New Metabolic Pathway. Appl. Environ. Microbiol. 68, 852–858.
Blumenberg M., Thiel V., Pape T. and Michaelis W. (2002) The steroids of hexactinellid sponges. Naturwissenschaften 89, 415-419
Brasse S., Nellen M., Seifert R. and Michaelis, W. (2002) The carbon dioxide system in the Elbe estuary. Biogeochemistry 59, 25–40.
Christof O., Seifert R. and Michaelis, W. (2002) Volatile halogenated organic compounds in European estuaries. Biogeochemistry 59, 143–160.
Christof O., Seifert R. and Michaelis W. (2002) Volatile halogenated organic compounds distribution in a coastal salt marsh in Northern Germany. Geochim. Cosmochim. Acta 66, A141.
Koschinsky A., Halbach P., Sander S., Michaelis W. and Seifert R. (2002) Hydrothermal fluids in the North Fiji Bassin and Lesser Antilles. Geochim. Cosmochim. Acta 66, A412.
Michaelis W., Seifert R., Nauhaus K., Treude T., Thiel V., Blumenberg M., Knittel K., Gieseke A., Peterknecht K., Pape T., Boetius A., Amann R., Jørgensen B. B., Widdel F., Peckmann J., Pimenov N. V., Gulin M. B. (2002) Microbial reefs in the Black Sea fueled by anaerobic oxidation of methane. Science 297, 1013-1015
Michaelis W., Seifert R., Nauhaus K., Treude T., Blumenberg M., Knittel K., Gieseke A., Peterknecht K., Pape T., Boetius A., Amann R., Jørgensen B. B., Widdel F., Peckmann J., Pimenov N. V., Gulin M. B. and Thiel V. (2002) Molecular evidence for microorganisms in recent and ancient methane-related settings. Geochim. Cosmochim. Acta 66, A511.
Peckmann J., Goedert J. L., Thiel V., Michaelis W. and Reitner J. (2002) A comprehensive approach to the study of methane-seep deposits from the Lincoln Creek Formation, western Washington State, USA. Sedimentology 49, 1–19.
Steinbach A. and Michaelis W. (2002) Carbon and hydrogen isotope fractionation of organic pollutants in aquifers. Geochim. Cosmochim. Acta 66, A739.
Thiel V., Blumenberg M., Hefter J., Pape T., Pomponi S., Reed J., Reitner J., Wörheide G. and Michaelis W. (2002) A chemical view of the most ancient metazoa – biomarker chemotaxonomy of hexactinellid sponges. Naturwissenschaften 89, 60–66.
Weigand H., Totsche K. U., Kögel-Knabner I., Annweiler E., Richnow H. H. and Michaelis W. (2002) Fate of anthracene in contaminated soil: transport and biodegradation under unsaturated flow conditions. Europ. J. Soil Science 53, 71–81.
Annweiler E., Michaelis W. and Meckenstock R. (2001) Anaerobic Cometabolic Conversion of Benzothiophene by a Sulfate-Reducing Enrichment Culture and in a Tar-Oil-Contaminated Aquifer. Appl. Environ. Microbiol. 67, 5077–5083.
Annweiler E., Richnow H. H. and Michaelis W. (2001) The significance of bound residues in the bioremediation process of PAH contaminated sites. In Treatment of contaminated Soil. Fundamentals, Analysis, Applications (eds. Stegmann R., Brunner G., Calmano W. and Matz G), pp. 253-269, Springer, Heidelberg.
Halbach P., Holzbecher E., Koschinsky A., Michaelis W. and Seifert R. (2001) Deep sea hydrothermal micro plume generation – a case study from the North Fiji Basin. Geo-Mar. Lett. 21, 94–102.
Thiel V., Peckmann J., Richnow H. H., Luth U., Reitner J. and Michaelis W. (2001) Molecular signals for anaerobic methane oxidation in Black Sea seep carbonates and a microbial mat. Marine Chemistry 73, 97-112.
Thiel V., Peckmann J., Schmale O., Reitner J. and Michaelis W. (2001) A new straight-chain hydrocarbon biomarker associated with anaerobic methane cycling. Organic Geochem. 32, 1019–1023.
Annweiler E., Antranikian G., Francke W., Franke S., Garms C., Hebenbrock S., Richnow H. H. and Michaelis W. (2000) Naphthalene degradation and incorporation of naphthalene derived carbon into biomass by the thermophile Bacillus thermoleovorans. Appl. Environ. Microbiol. 66, 518–523.
Annweiler E., Materna A., Safinofsky M., Kappler A., Richnow H. H., Michaelis W. and Meckenstock R. U. (2000) Anaerobic degradation of 2-methylnaphthalene by a sulfate-reducing enrichment culture. Appl. Environ. Microbiol. 66, 5329–5333.
Hedges J. I., Eglinton G., Hatcher P. G., Kirchmann D. L., Arnosti C., Derenne S., Evershed R. P., Kögel-Knabner I., de Leeuw J. W., Littke R., Michaelis W. and Rullkötter J. (2000) The molecularly-uncharacterized component of nonliving organic matter in natural environment. Org. Geochem. 31, 945–958.
Jenisch-Anton A., Adam P., Michaelis W., Connan J., Herrmann D., Rohmer M. and Albrecht P. (2000) Molecular evidence for biodegradation of geomacromolecules. Geochim. Cosmochim. Acta 64, 3525–3537.
Meckenstock R. U., Annweiler E., Michaelis W., Richnow H. H. and Schink B. (2000) Anaerobic naphthalene degradation by a sulfate-reducing enrichment culture. Appl. Environ. Microbiol. 66, 2743–2747.
Reitner J., Thiel V., Zankl H., Michaelis W., Wöhrheide G. and Gautret P. (2000) Organic and biogeochemical patterns in cryptic microbialites. In: Microbial Sediments (eds by Riding R. E. and Awramik S. M.). pp.149–160. Springer Verlag, Berlin, Heidelberg.
Richnow H. H., Annweiler E., Koning M., Lüth J.-C., Stegmann R., Garms C., Francke W. and Michaelis W. (2000) Tracing the transformation of labelled [1-13C]-phenanthrene in a soil bioreactor. Environ. Pollution 108, 91–101.
Arp, G., Thiel, V., Reimer, A., Michaelis, W. and Reitner, J. (1999) Biofilm exopolymers control microbialite formation at thermal springs discharging into the alkaline Pyramid Lake, Nevada, USA. Sediment. Geol. 126, 159-176.
Brasse S., Reimer A., Seifert R. and Michaelis W. (1999) The influence of intertidal mudflats on the dissolved inorganic carbon and total alkalinity distribution in the German Bight, southeastern North Sea. J. Sea Res. 42, 93-103.
Jenisch-Anton A., Mikolajczak A., Rabenstein A., Klindworth J., Fischer U. and Michaelis W. (1999) Biodegradation of a high molecular weight aliphatic ether – indications of an unusual biodegradation pathway. Biodegradation 10, 383–392.
Meckenstock R. U., Annweiler E., Schink B., Richnow H. H. and Michaelis W. (1999) 13C/12C stable isotope fractionation of toluene by anaerobic degradation. A new method to monitor biological degradation in situ? In Approaches for bioremediation of organic pollution (eds. R. Fass, Y. Flashner and S. Reuveny), pp. 219–226. Kluwer Academic Publishers/Plenum Publishers, New York.
Meckenstock R. U., Morasch B., Warthmann R., Schink B., Annweiler E., Michaelis W. and Richnow H. H. (1999) 13C/12C isotope fractionation of aromatic hydrocarbons during microbial degradation. Environm. Microbiol. 1, 409–414.
Neuweiler F., Reitner J., Gautret P., Thiel V. and Michaelis W. (1999) Petrology of Lower Cretaceous mud mounds (Albian, N. Spain): Insights into organomineralic deposits of the geological record. Sedimentology 46, 837–859.
Peckmann J., Thiel V., Michaelis W., Clari P., Gaillard C., Martire L. and Reitner J. (1999) Cold seep deposits of Beauvoisin (Oxfordian; southeastern France) and Marmorito (Miocene; northern Italy): Microbially induced, authigenic carbonates. Int J. Earth Sciences 88, 60–75.
Reimer A., Brasse S., Doerffer C.-D., Kempe S., Michaelis W., Rick H.-J., Seifert R. (1999) Carbon cycling in the German Bight: An estimate of transformation processes and transport. Dtsch. Hydrogr. Z. 51, 313–329.
Richnow H. H., Eschenbach A., Mahro B., Kästner M., Annweiler E., Seifert R. and Michaelis W. (1999) The formation of nonextractable soil bound residues – a stable isotope approach. Environm. Sci. Technol. 33, 3761–3767.
Seifert R., Delling N., Richnow H.H., Kempe S. and Michaelis W. (1999) Ethylene and methane in the upper water column of the subtropical Atlantic. Biogeochemistry 44, 73–91.
Thiel V., Jenisch A., Wörheide G., Löwenberg A., Reitner J. and Michaelis W. (1999) Mid-chain branched alkanoic acids from 'living fossil' demosponges: a link to ancient sedimentary lipids? Org. Geochem. 30, 1–14.
Thiel V., Peckmann J., Reitner J., Seifert R., Wehrung P., Michaelis W. (1999) Highly isotopically depleted isoprenoids: Molecular markers for ancient methane venting. Geochim. Cosmochim. Acta 63, 3959–3966.
Weigand H., Totsche K. U., Kögel-Knabner I., Annweiler E., Richnow H. H. and Michaelis W. (1999) Desorption Controlled Mobility and Intrinsic Biodegradation of Anthracene in Unsaturated Soil. Phys. Chem. Earth (B) 24, 549–555.
Zengler K., Richnow H. H., Rossello-Mora R., Michaelis W. and Widdel F. (1999) Methane formation from long-chain saturated hydrocarbons in an anaerobic bacterial community. Nature 401, 266–269.
Richnow H. H., Eschenbach A., Mahro B., Seifert R., Wehrung P., Albrecht P. and Michaelis W. (1998) The use of 13C-labelled polycyclic aromatic hydrocarbons for the analysis of their transformation in soil. Chemosphere 36, 2221–2224.
Richnow H. H., Annweiler E., Kästner M., Koning M., Stegmann R. and Michaelis W. (1998) Tracing the transformation of 13C-labelled organic substances in biodegradation studies – Implications for bioavailability and biochemical pathways. 42nd OHOLO Conference, Israel Institut for Biological Research, Eilat.
Steiner U., Seifert R. and Michaelis W. (1998) Organic geochemical paleoindicators in recent and subrecent sediments from the Central Baltic Sea (Gotland-Deep). Erlanger Geol. Abh., Sonderband 2, 93–94.
Annweiler E., Richnow H. H., Antranikian G., Hebenbrock S., Garms C., Francke W. and Michaelis W. (1997) The conversion of 13C-naphthalene by a newly isolated thermophilic bacterium – the carbon inventory and the metabolic pathway. In Proceedings of the 18th International Meeting on Organic Geochemistry 1997, Abstracts Part II, pp. 887–888. Forschungszentrum Jülich, Jülich.
Annweiler E., Eiswirth M., Hötzl H., Reichert B., Richnow H. H., Schäfle B., Seifert R. and Michaelis W. (1997) Organische Kontaminationen im Grundwasserbereich eines ehemaligen Gaswerkstandortes. In Möglichkeiten und Grenzen der Reinigung kontaminierter Gundwässer – Resümee und Beiträge des 12. DECHEMA-Fachgesprächs Umweltschutz. (eds. G. Kreysa and J. Wiesner), pp. 549–556, DECHEMA e.V., Brönners Druckerei Breidenstein GmbH, Frankfurt a. M.
Brasse S., Reimer A. and Michaelis, W. (1997) Seasonal behaviour of inorganic and organic carbon components in the German Bight, southern North Sea – Results from the KUSTOS projects. In Report of LOICZ Open Science Meeting 1997: Global Change Science in the Coastal Zone. LOICZ Meeting Report No. 29,
p. 103. LOICZ International Project Office NIOZ, Texel.
Brasse S., Reimer A. and Michaelis W. (1997) Seasonal variation of the carbon system in front of the German Wadden Sea. In Muddy Coasts 97, Ber. Forschungszentr. Terramare 2, pp. 80–81. Wilhelmshaven.
Delling N., Seifert R., Leinweber A., Faber E. and Michaelis W. (1997) C1-C4 hydrocarbons in the Arabian Sea – concentration and methane carbon isotope distributions. In Bericht über den 6. JGOFS-Workshop am 4./5.12.1997 in Bremen (eds. M. Pätzold and G. Wefer), Berichte aus dem Fachbereich Geowissenschaften der Universität Bremen 109, pp. 21–22. Bremen.
Jenisch A., Richnow H. H., Klindworth J. and Michaelis W (1997) Structural investigation of two solvent soluble macromolecular fractions from the Eocene Messel shale. In Proceedings of the 18th International Meeting on Organic Geochemistry 1997, Abstracts Part II, 647–648. Forschungszentrum Jülich, Jülich.
Peckmann, J., Neuweiler, F., Reitner, F., Gaillard, C., Gautret, P., Thiel, V. and Michaelis, W. (1997) On the origin of authigenic micrites in biogenic mud mounds and cold seep carbonates. Cold - E - Vent; Hydrocarbon Seepage and Chemosynthesis in Tethyan Relic Basins: Products, Processes and Causes, An International Field Workshop to be held in Bologna and nearby Apennines.
Peckmann, J., Reitner, J., Thiel, V., Michaelis, W., Clari, P. and Martire, L. (1997) Cold seep carbonates of Marmorito (Miocene, northern Italy): additional evidence for a methane-derived origin. Cold - E - Vent; Hydrocarbon Seepage and Chemosynthesis in Tethyan Relic Basins: Products, Processes and Causes, An International Field Workshop to be held in Bologna and nearby Apennines.
Reimer A., Brasse S. and Michaelis W. (1997) Transformation processes and transports of carbon in the German Bight, Southern North Sea – Results from the KUSTOS project. In Report of LOICZ Open Science Meeting 1997: Global Change Science in the Coastal Zone. LOICZ Meeting Report No. 29, p. 133. LOICZ International Project Office NIOZ, Texel.
Reimer A., Brasse S. and Michaelis W. (1997) Transport of Carbon from the Wadden Sea into the North Sea during Winter 1996. In: Muddy Coasts 97, Ber. Forschungszentr. Terramare 2, pp. 66–67. Wilhelmshaven.
Reitner J., Arp G., Thiel V., Gautret P., Galling U. and Michaelis W. (1997) Organic matter in Great Salt Lake Ooids (Utah, USA) – First approach for a formation via organic matrices. Facies 36, 210–219.
Richnow H. H., Seifert R., Hefter J., Link M., Francke W., Schäfer G. and Michaelis W. (1997) Organic pollutants associated with macromolecular soil organic matter – a mode of binding. Org. Geochem. 26, 745–758 .
Richnow H. H., Annweiler E., Kästner M., Wehrung P., Albrecht P. and Michaelis W. (1997) The fate of 13C-labelled PAH traced by 13C-signatures in soil microbial systems – a soil bound residue formation study. In Proceedings of the 18th International Meeting on Organic Geochemistry 1997, Abstracts Part I, pp. 11–12. Forschungszentrum Jülich, Jülich.
Thiel V., Jenisch A., Landmann G., Reimer A. and Michaelis W. (1997) Unusual distributions of long-chain alkenones and tetrahymanol from the highly alkaline Lake Van, Turkey. Geochim. Cosmochim. Acta 61, 2053–2064.
Thiel V., Merz-Preiß M., Reitner J. and Michaelis W. (1997) Biomarker studies on microbial carbonates: Extractable lipids of a calcifying cyanobacterial mat (Everglades, USA). Facies 36, 163–172.
Thiel V. and Michaelis W. (1997) Molecular characteristics of selected biogenic carbonates and their contributing organisms. In Proceedings of the 18th International Meeting on Organic Geochemistry 1997, Abstracts Part I, pp. 63–64. Forschungszentrum Jülich, Jülich.
Wörheide, G., Gautret P., Reitner J., Böhm F., Joachimski M. M., Thiel V., Michaelis W. and Massault M. (1997) Basal skeletal formation, role and preservation of intracrystalline organic matrices coralline sponge Astrosclera willeyana LISTER 1900. Proceedings of the 7th International Symposium on Fossil Cnidaria and Porifera. Boletin de la Real Sociedad Espanola de Historia Natural (Sec.Geol.), 91, 293–311. Madrid.
Delling N., Seifert R. and Michaelis W. (1996) C1-C4 Hydrocarbons in the Gulf of Aden and the Arabian Sea. In Östliches Mittelmeer, Rotes Meer, Arabisches Meer, Cruise No. 31 (eds. C. Hemleben, W. Roether and P. Stoffers), Meteor-Berichte 96-4, pp. 153–158. Institut für Meereskunde der Universität Hamburg, Hamburg.
Delling N., Seifert R. and Michaelis W. (1996) C1-C4 Hydrocarbons in the Arabian Sea (JGOFS). In Biogeochemical Fluxes in the Deep-Sea and Investigations of Geological Structures in the Indian Ocean, Cruise No. 33 (eds. K. Lochte, P. Halbach and B. Flemming), Meteor-Berichte 96-5, pp. 30–36. Institut für Meereskunde der Universität Hamburg, Hamburg.
Delling N., Seifert R., Richnow H. H. and Michaelis W. (1996) C1-C4 hydrocarbons in the Arabian Sea and their exchange with the atmosphere. In Bericht über den
5. JGOFS-Workshop am 27./28.11.1996 in Bremen (eds. M. Giese and G. Wefer), Berichte aus dem Fachbereich Geowissenschaften der Universität Bremen 89, pp. 53–54.
Keupp H., Brugger H., Galling U., Hefter J., Herrmann R., Jenisch A., Kempe S., Michaelis W., Seifert R. and Thiel V. (1996) Paleobiological controls of Jurassic spongiolites. In Global and Regional Controls on Biogenic Sedimentation. I. Reef Evolution (eds. J. Reitner, F. Neuweiler and F. Gunkel), pp. 209–214. Göttinger Arb. Geol. Paläont. Sb2., Göttingen.
Reimer A., Brasse S. and Michaelis W. (1996) Carbon cycling in the German Bight: Seasonality of CO2 fluxes. In International Symposium "New Challenges for North Sea Research – 20 years after FLEX '76", Berichte aus dem Zentrum für Meeres- und Klimaforschung 2, pp.200–203. Zentrum für Meeres- und Klimaforschung der Universität Hamburg, Hamburg.
Richnow H. H. and Michaelis W. (1996) Untersuchungen zur Bildung von Bound Residues bei der biologischen Reinigung kontaminierter Böden. In Neue Techniken der Bodenreinigung (ed. R. Stegmann), Hamburger Berichte 10, Abfallwirtschaft Technische Universität Hamburg-Harburg, pp. 269–287. Economica Verlag, Bonn.
Richnow H. H., Seifert R., Wehrung P., Albrecht P., Eschenbach A., Mahro B. and Michaelis W. (1996) The use of 13-C-labelled hydrocarbons in soil bound residue formation studies. In Preprints of Papers presented at the 212th ACS National Meeting Orlando, FL, pp. 258–260. ACS, Division of Environmental Chemistry, Inc.
Richnow H. H., Eschenbach A., Hefter J., Kästner M., Mahro B., Seifert R. and Michaelis W. (1996) Bildungsmechanismen von Bound Residues bei der biologischen Behandlung kontaminierter Böden. In Biologische und chemische Behandlung von PAK-haltigen Böden und Abwässern (ed. R. M. Cuno), Schriftenreihe Biologische Abwasserreinigung 7, pp. 81–97. TU Berlin, Berlin.
Seifert R., Steiner U. and Michaelis W. (1996) Late Holocene environmental change in the Baltic Sea from a detailed sedimentary record of the Gotland Deep. In Processes and Structures in Marine Methane and Sulfide Biotopes (eds. U. Fischer and M. K. Grieshaber), pp. 26–28. Shaker Verlag, Aachen .
Thiel V., Reitner J. and Michaelis W. (1996) Biogeochemistry of modern porifera and microbialites from Lizard Island (Great Barrier Reef, Australia) and fossil analogues. In Global and Regional Control on Biogenic Sedimentation, I. Reef Evolution (eds. J. Reitner, F. Neuweiler and F. Gunkel), pp. 129–132. Göttinger Arb. Geol. Paläont. Sb2., Göttingen.
Hauke V., Hefter J., Wehrung P., Albrecht P., Richnow H. H. and Michaelis W. (1995) A new approach to investigate sulfur-rich macromolecules. Stepwise chemical degradations combined with Irm-GC/MS. In Organic Geochemistry: Developments and Applications to Energy, Climate, Environment and Human History (eds. J. O.Grimalt. and C. Dorronsoro), pp. 11–13. Donostia, San Sebastian.
Hefter J., Richnow H. H., Seifert R. and Michaelis W. (1995) n-Alkanoic compounds in sulphur-rich macromolecular substances: A detailed investigation of sulphur incorporation and cross-linking. In Composition, Geochemistry and Conversion of Oil Shales (ed. C. E. Snape), NATO ASI Series 455, pp. 395–406. Kluwer Academic Publishers, Netherland.
Hefter J., Hauke V., Richnow H. H. and Michaelis W. (1995) Alkanoic subunits in sulfur-rich geomacromolecules: Information from stepwise chemical degradation and compound-specific isotopic analysis. In ACS-Symposiums Series 612 (eds. M. Vauiravamurthy and M. A. A. Schoonen), pp. 93–109. American Chemical Society.
Michaelis W., Richnow H. H. and Seifert R. (1995) Chemically bound chlorinated aromatics in humic substances. Naturwissenschaften 82, 139–142
Richnow H. H., Seifert R., Kästner M., Mahro B., Horsfield B., Tiedgen U., Böhm S. and Michaelis W. (1995) Rapid screening of PAH-residues in bioremediated soils. Chemosphere 31, 3991–3999.
Richnow H. H., Seifert R. and Michaelis W. (1995) Organic pollutants associated with macromolecular soil organic matter: modes of binding. In Organic Geochemistry: Developments and Applications to Energy, Climate, Environment and Human History (eds. Grimalt and C. Dorronsoro), pp. 577–580. Donostia, San Sebastian.
Faber, E., Gerling P., Sohns E. and Michaelis W. (1994) Hydrothermale Aktivitäten des EPR und der Methanhaushalt Geospäre-Hydrospäre-Atmosphäre. In Geowissenschaften und Umwelt (eds. J Matschullat and G. Müller), pp. 221–224. Springer Verlag, Heidelberg.
Richnow H. H., Seifert R., Hefter J., Kästner M., Mahro B. and Michaelis W. (1994) Metabolites of xenobiotica and mineral oil constituents linked to macromolecular organic matter in polluted environments. Org. Geochem. 22, 671–681.
Hefter J., Richnow H. H., Fischer U., Trendel J. M. and Michaelis W. (1993) (-)-Verru-cosane-2ß-ol from the phototrophic bacterium Chloroflexus auranticus: first report of a verrucosane-type diterpenoid from a procaryote. J. Gen. Microbiol. 139, 2757–2761.
Hefter J., Thiel V., Jenisch A., Galling U., Kempe S. and Michaelis W. (1993) Biomarker indications for microbial contributions to Recent and Late Jurassic Carbonate Deposits. Facies 29, 93–106.
Jenisch A., Haake B. and Michaelis W. (1993) Sterol fluxes to the deep Arabian Sea as indicators for organic matter composition. Mitt. Geol.-Paläont. Inst. Universität Hamburg, SCOPE/UNEP Sonderband 62, 141–156.
Richnow H. H., Tiedgen U., Böhm S., Seifert R., Horsefield B. and Michaelis W. (1993) Organic pollutants attached to macromolecular soil organic matter: modes of binding. Perspectives for environmental Geochemistry in Tropical Countries, In Perspectives for Environmental Geochemistry in Tropical Countries. Proceedings of the ALAGO-Meeting 1993, Niteroi, Brazil.
Richnow H. H., Jenisch A. and Michaelis W. (1993) The chemical structure of macromolecular oil fractions of a sulfur-rich oil. Geochim. Cosmochim. Acta 57, 2767–2780.
Richnow H. H., Seifert R. and Michaelis W. (1993) Der Einfluß der Humusstoffe auf die biologische Bodenreinigung – Assoziation organischer Schadstoffe aus Mineralölkontaminationen. In Bodenreinigung (ed. R. Stegmann), Hamburger Berichte 6. Abfallwirtschaft Technische Universität Hamburg-Harburg, pp. 51–61. Economica Verlag, Bonn.
Richnow H. H., Reidt C., Seifert R. and Michaelis W. (1993) Chemical cross linking of xenobiotica and mineral oil constituents to humic substances derived from polluted environments. In Proceedings of the 6th International Meeting of the Humic Substance Society, 1992 (eds. N. Senesi and T. M. Miano), pp. 1043–1048. Elsevier, Amsterdam.
Richnow H. H., Jenisch A., Hefter J., Seifert R. and Michaelis W. (1993) Detailed investigation of cross-linking and sulphur incorporation. n-Alkanoic compounds in sulphur-rich macromolecular fractions. In Proceedings of the Third Latin American Congress on Organic Geochemistry, Manaus 1992, ALAGO (eds. M. R. Mello and L. A. F. Trindade), pp. 123–127. Brasil.
Koike L., Reboucas L. M. C., de Reis F. A. M., Marsaioli A. J., Richnow H. H. and Michaelis W. (1992) Naphthenic acids from crude oils of Campos Basin. Org. Geochem. 18, 851–862.
Richnow H. H., Jenisch A. and Michaelis W. (1992) Structural investigations of sulphur-rich macromolecular oil fractions and a kerogen by sequential chemical degradation. In Advances in Organic Geochemistry 1991 (eds. C. Eckardt et al.); Org. Geochem. 19, 351–370.
Stüben D., Stoffers P., Hartmann M., McMurtry G., Richnow H. H., Jenisch A. and Michaelis W. (1992) Manganese, methane, iron, zinc and nickel anomalies in hydrothermal plumes from Teahitia and Macdonald volcanoes. Geochim. Cosmochim. Acta 56, 3693–3740.
Jenisch A., Richnow H. H. and Michaelis W. (1991) Macromolecular fractions of coals as precursors of petroliferous compounds. In Organic Geochemistry. Advances and Applications in Energy and the Natural Environment. (ed. D. Manning),
pp. 423–428. Manchester University Press, Manchester, New York.
Ladage S., Seifert R., Michaelis W., Rupp H., Halbach P. and Makris J. (1991) Hydrothermal gas generation in a Back-Arc Basin. Naturwissenschaften 78, 64–66.
Seifert R. and Michaelis W. (1991) A quantitative approach to the degradation rates of selected organic compound classes. In Organic Geochemistry. Advances and Applications in Energy and the Natural Environment. (ed. D. Manning), pp. 255–259. Manchester University Press, Manchester, New York.
Seifert R. and Michaelis W. (1991) Organic compounds in sediments and pore waters of sites 723 and 724. In Proc. ODP, Sci. Results 117 (eds. W. L. Prell, N. Niitsuma et al.), pp. 529–545. College Station, TX (Ocean Drilling Program).
Jenisch A., Richnow H. H. and Michaelis W. (1990) Chemical structural units of coals. In Advances in Organic Geochemistry 1989 (eds. B. Durand and F. Behar); Org. Geochem. 16, pp. 917–929. Pergamon Press, Oxford.
Michaelis W., Richnow H. H., Jenisch A., Schulze T. and Mycke B. (1990) Structural inferences from organic geochemical coal studies. In Facets of Modern Biogeochemistry (eds. V. A. Ittekkot, S. Kempe, W. Michaelis and A. Spitzy.), pp. 388–402. Springer Verlag, Heidelberg.
Michaelis W., Bönisch G., Jenisch A., Ladage S., Richnow H. H., Seifert R. and Stoffers P. (1990) Methane and 3helium anomalies related to submarine intraplate volcanic activities. Mitt. Geol.-Paläont. Inst. Univ. Hamburg, Sonderband E. T.Degens 69, 117–127.
Michaelis W., Jenisch A. and Richnow H. H. (1990) Hydrothermal petroleum generation in Red Sea sediments from Kebrit and Shaban Deep. Appl. Geochem. 5, 103–114.
Jenisch, A., Richnow, H. H. and Michaelis, W. (1990) Chemical Structural Units of Macromolecular Coal Components. Org. Geochem. 16, 917-929.
Plüger W. L., Herzig P. M., Becker K. P., Deissmann G., Lange J., Jenisch A., Ladage S., Richnow H. H., Schulze T. and Michaelis W. (1990) Discovery of hydrothermal fields at the Central Indian Ridge. Marine Mining 9 (1), 73–86.
Seifert R., Emeis K.-C., Michaelis W. and Degens E. T. (1990) Amino acids and carbohydrates in sediments and interstitial waters from Site 681, ODP Leg 112, Peru Continental Margin. In Proc. ODP, Sci. Results 112 (eds. E. Suess, R. von Huene et al.), pp. 555–556. College Station, TX (Ocean Drilling Program).
Seifert R., Emeis K.-C., Spitzy A., Strahlendorff K., Michaelis W. and Degens E. T. (1990) Geochemistry of labile organic matter in sediment and interstitial water recovered from Sites 651 and 653, Leg 107 ODP in the Tyrrhenian Sea. In Proc. ODP, Sci. Results 107 (eds. A. K. Kastens, J. Mascle et al.), pp. 591–602. College Station, TX (Ocean Drilling Program).
Schulze, T. and Michaelis, W. (1990) Structure and Origin of Terpenoid Hydrocarbons in Some German Coals. Org. Geochem. 16, 1051-1058.
Halbach P., Ko-ichi Nakamura, Wahsner V. A., Lange J., Sakai H., Käselitz L., Hansen R.-D., Yamano M., Post J., Prause B., Seifert R., Michaelis W., Teichmann F., Kinoshita M., Märten A., Ishibashi J., Czerwinski S. and Blum N. (1989) Probable modern analogue of Kuroko-type massive sulphide deposits in the Okinawa trough back-arc basin. Nature 338, 496–499.
Michaelis W., Jenisch A., Richnow H. H., Kruse U. and Mycke B. (1989) Organofazies des Ölschiefers von Messel. Cour. Forsch.-Inst. Senckenberg 107, 89–103.
Michaelis W., Richnow H. H. and Jenisch A. (1989) Structural studies of marine and riverine humic matter by chemical degradation. The Science of the Total Environ. 81/82, 41–50.
Rullkötter J. and Michaelis W. (1989) The structure of kerogen and related materials – A review of recent progress and future trends. In Advances in Organic Geochemistry Advances in Organic Geochemistry 1989 (eds. B. Durand and F. Behar); Org. Geochem. 16, pp. 829–852. Pergamon Press, Oxford.
Schulze T. and Michaelis W. (1989) Structure and origin of terpenoid hydrocarbons in some German coals. In Advances in Organic Geochemistry 1989 (eds. B. Durand and F. Behar); Org. Geochem. 16, pp. 1051–1058. Pergamon Press, Oxford.
Stoffers P., Botz R., Chéminée J.-L., Devey C. W., Froger V., Glasby G. P., Hartmann M., Hékinian R., Kögler F., Laschek D., Larqué P., Michaelis W., Mühe R., Puteanus D. and Richnow H. H. (1989) Geology of the Macdonald Seamount Region, Austral Islands recent hotspot volcanism in the South Pacific. Mar. Geophys. Res. 11, 101–112.
Franzen J. L. and Michaelis W. (1988) Der eozäne Messelsee – Eocene Lake Messel. Cour. Forsch.-Inst. Senckenberg 107. E. Schweizerbart, Stuttgart.
Herzig P. M., Plüger W. L., Becker K., Deissmann G., O'Kelly A. P., Schöps D., Scholten J.,Yelles-Chaouche A., Ashis Ghosh T., Kodagali V. N., Mukhopadhy-ay R., Nagender Nath B., Ramprasad T., Sivasankara Rao P., Bayer F., Hansen D., Lange J., Lettau O., Pohl W., Kunzendorf H., Michaelis W., Mycke B., Seifert R., Walter P. and Stoffers P. (1988) Exploration for hydrothermal activity near the Rodriguez triple Junction, Indian Ocean. Canadian Mineralogist 26, 721–736.
Mycke B., Michaelis W. and Degens E. T. (1988) Biomarkers in sedimentary sulfides of Precambrian age. In Advances in Organic Geochemistry 1987 (eds. L. Mattavelli and L. Novelli); Org. Geochem. 13, pp. 619–625. Pergamon Press, Oxford.
Michaelis W., Schümann P., Ittekkot V. A. and Konuk T. (1987) Sterol markers for organic matter fluxes in the Black Sea. Mitt. Geol.-Paläont. Inst. Univ. Hamburg, SCOPE/UNEP Sonderband 62, 89–97.
Mycke B., Narjes F. and Michaelis W. (1987) Bacteriohopanetetrol from chemical degradation of an oil shale kerogen. Nature 326, 176–181.
Riemenschneider K., Bartels H. M., Dornow R., Drechsel-Grau E., Eichel W., Luthe H., Matter Y. M., Michaelis W. and Boldt P. (1987) Free Radical Additions. Kinetics of Free Radical Additions of Bromomalononitrile to Alkenes and PMO Treatment of the Reactivity and Regioselectivity. J. Org. Chem. 52, 205-212.
Michaelis W., Ittekkot V. A. and Degens E. T. (1986) River inputs to the ocean. In Biogeochemical Processes at the Land-Sea Boundary (eds. P. Lasserre and J.-M. Martin), pp. 37–52. Elsevier, Amsterdam.
Michaelis W., Mycke B. and Richnow H. H. (1986) Organic chemical indicators for reconstruction of Angola Basin sedimentation processes. Mitt. Geol.-Paläont. Inst. Univ. Hamburg, SCOPE/UNEP Sonderband 60, 90–113. Oxford.
Mycke B. and Michaelis W. (1986) Lignin-derived molecular fossils from geological material. Naturwissenschaften 73, 731–734.
Mycke B. and Michaelis W. (1985) Molecular fossils from chemical degradation of macromolecular organic matter. In Advances in Organic Geochemistry 1985 (eds. D. Leythaeuser and J. Rullkötter); Org. Geochem. 10, pp. 847–858. Pergamon Press, Koenigswald W. and Michaelis W. (1984) Fossillagerstätte Messel – Literaturübersicht der Forschungsergebnisse aus den Jahren 1980–1983. Geol. Jb. Hessen 112, 5–26.
Lohse J. and Michaelis W. (1983) Carbohydrates in particulate matter of the Elbe Estuary. Mitt. Geol.-Paläont. Inst. Univ. Hamburg, SCOPE/UNEP Sonderband 55, 371–384.
Chappe B., Albrecht P. and Michaelis W. (1982) Polar lipids of archaebacteria in sediments and petroleums. Science 217, 65–66.
Michaelis W. and Ittekkot V. A. (1982) Biogeochemistry of rivers field and analytical techniques. Mitt.Geol.-Paläont.Inst.Univ.Hamburg, SCOPE/UNEP Sonderband 52, 69–89.
Michaelis W., Mycke B., Vogt J., Schuetze G. and Degens E. T. (1982) Organic geochemistry of interstitial waters, sites 474 and 479, Leg 64. Init. Repts. DSDP 64, Pt. 2, Washington (eds. J. R. Curray, D. G. Moore et al.), pp. 933–937. U.S. Govt. Printing Office.
Degens E. T., Michaelis W. and Paluska A. (1981) Principles of petroleum source bed formation. In Energy – Present and Future Options (eds. D. Merrick and R. Marshall), pp. 93–186, Vol. 1. John Wiley & Sons, Chichester.
Gaida K. H., Gedenk R., Kemper E., Michaelis W., Scheuch R., Schmitz H.H and Zimmerle W. (1981) Lithologische, mineralogische und organisch-geochemische Untersuchungen an Tonsteinen und Tonmergelsteinen der Unterkreide Nordwestdeutschlands. Geol. Jb. A 58, 15–47.
Ittekkot V. A., Brockmann U., Michaelis W. and Degens E. T. (1981) Dissolved free and combined carbohydrates during a phytoplankton bloom in the northern North Sea. Mar. Ecol. Progr. Ser. 4, 299–305.
Michaelis W., Wiesner M. and Degens E. T. (1981) Organisch-geochemische Untersuchungen der ordovizischen Plettenberger Bänderschiefer (Ebbe-Antiklinorium, Sauerland). Mitt. Geol.-Paläont. Inst. Univ. Hamburg 50, 191–197.
Chappe B., Michaelis W. and Albrecht P. (1980) Molecular fossils of archaebacteria as selective degradation products of kerogen. In Advances in Organic Geochemistry 1979 (eds. A. G. Douglas and J. R. Maxwell), pp. 265–274. Pergamon, Oxford.
Degens E. T., Michaelis W., Garrasi C., Mopper K., Kempe S. and Ittekkot V. A. (1980) Warven-chronologie und früh-diagenetische Umsetzungen organischer Substanzen holozäner Sedimente des Schwarzen Meeres. N. Jb. Geol. Paläont. Mh. 1980, 65–86.
Chappe B., Michaelis W., Albrecht P. and Ourisson G. (1979) Fossil evidence for a novel series of archaebacterial lipids. Naturwissenschaften 66, 522–523.
Michaelis W. and Albrecht P. (1979) Molecular fossils of archaebacteria in kerogen. Naturwissenschaften 66, 420–421.
Michaelis W., Ittekkot V. A. and Degens E. T. (1979) Amino acids and carbohydrates as possible indicators of sedimentation processes. Colloque Internationaux du C.N.R.S. 293, 129–139.
Mopper K., Michaelis W., Garrasi C. and Degens E. T. (1978) Sugars, amino acids and hydrocarbons in Black Sea sediments from DSDP Leg 42B cores. In Init. Repts. DSDP 42, Pt. 2, Washington (eds. D. A. Ross, Y. P. Neprochnov et. al.), pp. 697–705. U.S. Govt. Printing Office.
Degens E. T., Khoo F. and Michaelis W. (1977) Uranium anomaly in Black Sea sediments. Nature 269, 566–569.
Michaelis W., Degens E. T., Schallreuther K., Zakrewska K., Buch B. and König I. (1976) Harnstoff im Alsterwasser. Mitt. Geol.-Paläont. Inst. Univ Hamburg, Sonderband Alster 46, 189–197.
Michaelis W., Mopper K., Garrasi C. and Degens E. T. (1976) Organische Substanzen im Sediment und Wasser der Hamburger Alster. Mitt. Geol.-Paläont. Inst. Univ. Hamburg, Sonderband Alster 46, 173–188.
Simpson H. J., Broecker W. S., Garrels R. M., Gessel S. P., Holland H. D., Holser W. T., Junge C., Kaplan I. R., McElroy M. B., Michaelis W., Mopper K., Schidlowski M., Seiler W., Steele J. H., Wofsy S. C. and Wollast R. F. (1976) Man and the global nitrogen cycle. In Global Chemical Cycles and Their Alterations by Man (ed. W. Stumm), pp. 253–274. Dahlem Konferenzen, Abakon, Berlin.
Boldt P., Michaelis W., Lackner H. and Krebs B. (1971) Cis- and trans-3.3'-Dimethoxy-5.5'-di-tert.-butyl-dipheno-chinon-(4.4'). Chem. Ber. 104, 220–227.