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http://rstb.royalsocietypublishing.org/content/367/1593/1265.full.pdf+html

2) Kartik Chandran, Lisa Y. Stein, Martin G. Klotz and Mark C.M. van Loosdrecht. Nitrous oxide production by lithotrophic ammonia-oxidizing bacteria and implications for engineered nitrogen-removal systems. Biochemical Society Transactions (2011) 39, (1832–1837)

http://www.biochemsoctrans.org/bst/039/bst0391832.htm  

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