Olga Zhaxybayeva, Kristen S. Swithers, Pascal Lapierre, Gregory P. Fournier, Derek M. Bickhart, Robert T. DeBoy, Karen E. Nelson, Camilla L. Nesbø, W. Ford Doolittle, J. Peter Gogarten, Kenneth M. Noll
Proc Natl Acad Sci U S A. 2009 Apr 7; 106(14): 5865–5870. Published online 2009 Mar 23. doi: 10.1073/pnas.0901260106