Conrad, R. Emeriti Methanogenic Degradation and Microbial Metabolism of Trace Gases, Max Planck Institute for Terrestrial Microbiology, Max Planck Society;
Eckert, W., & Conrad, R. (2007). Sulfide and methane evolution in the hypolimnion of a subtropical lake: a three-year study. Biogeochemistry, 82, 67-76.