Huber, H., Hohn, M. J., Rachel, R., Fuchs, T., Wimmer, V. C., Stetter, K. O (2002). “A new phylum of Archaea represented by a nanosized hyperthermophilic symbiont”. Nature417 (6884): 63–7. PMID 11986665.
Waters, E., Hohn, M. J., Ahel, I., Graham, D. E., Adams, M. D., Barnstead, M., Beeson, K. Y., Bibbs, L., Bolanos, R., Keller, M., Kretz, K., Lin, X., Mathur, E., Ni, J., Podar, M., Richardson, T., Sutton, G. G., Simon, M., Soll, D., Stetter, K. O., Short, J. M., Noordewier, M. (2003). “The genome of Nanoarchaeum equitans: insights into early archaeal evolution and derived parasitism”. Proc Natl Acad Sci U S A100 (22): 12984–8. PMID 14566062.