Biddle, J. F.; House, C. H.; Brenchley, J. E. (2005): Microbial stratification in deeply buried marine sediment reflects changes in sulfate/methane profiles. Blackwell, Oxford, United Kingdom, In: Amend, Jan P. (editor), Druschel, Greg K. (editor), Geochemical controls on microbial processes, 3 (4), 287-295, georefid:2008-110863