Kühl, M Microsensor measurements of sulfate reduction and sulfide oxidation in compact microbial communities of aerobic biofilms. [electronic resource] - Applied and environmental microbiology Apr 1992 - 1164-74 p. digital Publication Type: Journal Article ISSN: 0099-2240 Standard No.: 10.1128/aem.58.4.1164-1174.1992 doi