Zheng, H.; Dietrich, C.; Radek, R.; Brune, A. (2015). Endomicrobium proavitum, the first isolate of Endomicrobia class. nov. (phylum Elusimicrobia) – an ultramicrobacterium with an unusual cell cycle that fixes nitrogen with a Group IV nitrogenase. Environmental Microbiology. 18(1): 191-204.
<i>Endomicrobium proavitum</i>, the first isolate of <i>Endomicrobia</i> class. nov. (phylum <i>Elusimicrobia</i>) – an ultramicrobacterium with an unusual cell cycle that fixes nitrogen with a Group IV nitrogenase