1. IPCC Climate Change TPSB (2007) In: Solomon S et al (eds) Contribution of Working Group I to the fourth assessment report of the intergovernmental panel on climate change. Cambridge University Press, Cambridge
2. Ravishankara AR, Daniel JS, Portmann RW (2009) Nitrous oxide (N2O): the dominant ozone-depleting substance emitted in the 21st century. Science 326:123–125
3. Davidson EA (1991) Microbial production and consumption of greenhouse gases: methane, nitrogen oxide and halomethanes. Am Soc Microbiol, Washington DC
4. de Boer W, Duyts H, Laanbroek HJ (1988) Autotrophic nitrification in a fertilized acid heath soil. Soil Biol Biochem 20:845–850
5. Pedersen H, Dunkin K, Firestone M (1999) The relative importance of autotrophic and heterotrophic nitrification in a conifer forest soil as measured by 15N tracer and pool dilution techniques. Biogeochemistry 44:135–150