Karlsen, O.A., Ramsevik, L., Bruseth, L.J., Larsen, Ø., Brenner, A., Berven, F.S., Jensen, H.B. and Lillehaug, J.R. (2005). "Characterization of a prokaryotic haemerythrin from the methanotrophic bacterium Methylococcus capsulatus (Bath)". FEBS J.272 (10): 2428–2440. PMID15885093. doi:10.1111/j.1742-4658.2005.04663.x.
D. M. Kurtz, Jr. "Dioxygen-binding Proteins" in Comprehensive Coordination Chemistry II 2003, Volume 8, Pages 229-260. doi10.1016/B0-08-043748-6/08171-8
Chow ED, Liu OW, O'Brien S, Madhani HD (September 2007). "Exploration of whole-genome responses of the human AIDS-associated yeast pathogen Cryptococcus neoformans var grubii: nitric oxide stress and body temperature". Curr. Genet.52 (3–4): 137–48. PMID17661046. doi:10.1007/s00294-007-0147-9.
Karlsen, O.A., Ramsevik, L., Bruseth, L.J., Larsen, Ø., Brenner, A., Berven, F.S., Jensen, H.B. and Lillehaug, J.R. (2005). "Characterization of a prokaryotic haemerythrin from the methanotrophic bacterium Methylococcus capsulatus (Bath)". FEBS J.272 (10): 2428–2440. PMID15885093. doi:10.1111/j.1742-4658.2005.04663.x.
Chow ED, Liu OW, O'Brien S, Madhani HD (September 2007). "Exploration of whole-genome responses of the human AIDS-associated yeast pathogen Cryptococcus neoformans var grubii: nitric oxide stress and body temperature". Curr. Genet.52 (3–4): 137–48. PMID17661046. doi:10.1007/s00294-007-0147-9.