Gelwicks, J T Carbon isotope effects associated with aceticlastic methanogenesis. [electronic resource] - Applied and environmental microbiology Feb 1994 - 467-72 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S. ISSN: 0099-2240 Standard No.: 10.1128/aem.60.2.467-472.1994 doi Subjects--Topical Terms: Acetates--metabolismCarbon Dioxide--metabolismCarbon IsotopesFresh WaterGeologic Sediments--microbiologyMethane--metabolismMethanosarcina barkeri--metabolismMichiganModels, Biological