Yuichi, Suwa, Jeanette M Norton, Annette Bollmann, Martin G Klotz, Lisa Y Stein, Hendrikus J Laanbroek, Daniel J Arp et al. 2011. Genome Sequence of Nitrosomonas Sp. Strain Al212, an Ammonia-Oxidizing Bacterium Sensitive to High Levels of Ammonia. : American Society for Microbiology.