1. Ehhalt D, Prather M, Dentener F, Derwent R, Dlugokencky E, et al.. (2001) Atmospheric Chemistry and Greenhouse Gases. In: Houghton JT, Ding Y, Griggs DJ, Noguer M, van der Linden PJ, Dai X, Maskell K, Johnson CA, editors. Climate Change 2001: The Scientific Basis. Contribution of Working Group I to the Third Assessment Report of the IPCC. Cambridge, United Kingdom and New York: Cambridge University Press. 239–287.
2. Ramaswamy V, Boucher O, Haigh J, Hauglustaine D, Haywood J, et al.. (2001) Radiative Forcing of Climate Change. In: Houghton JT, Ding Y, Griggs DJ, Noguer M, van der Linden PJ, Dai X, Maskell K, Johnson CA, editors. Climate Change 2001: The Scientific Basis. Contribution of Working Group I to the Third Assessment Report of the IPCC. Cambridge, United Kingdom and New York: Cambridge University Press. 349–416.
3. EPA (2010) Methane and nitrous oxide emissions from natural sources Washington. EPA 430-R-10-001. U.S. Environmental Protection Agency. 194p.
4. Global atmospheric methane: budget, changes and dangers. Philos. T. Roy. Soc;EJ Dlugokencky;A,2011
5. The atmospheric cycle of methane;DH Ehhalt;Tellus,1974