IPCC. Climate Change 2001: The Scientific Basis. Geneva: IPCC; 2001 p. pp. 881.

IPCC, Houghton JT, Meira Filho LG, Lim K, Trennton I, Mamaty I, Bonduki Y, Griggs DJ, Callander BA. Revised 1996 IPCC Guidelines for National Greenhouse Gas Inventories.  1997  ;1 - 3.

IPCC. Climate Change 1995. The Science of Climate Change. Contribution of Working Group I to the Second Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press. 1996  .