1. Barry, R. G. and Chorley, R. J. (1992) Atmosphere, Weather and Climate. 6th edn. New York: Routledge.
2. Charlson, R. J. (1992) The Atmosphere, in Global Biogeochemical Cycles (eds Butcher et al.). New York: Academic Press.
3. Intergovernmental Panel on Climate Change. 1990. Climate Change. New York: Cambridge University Press.
4. Khalil, M. A. K. (1995) Greenhouse gases in the Earth’s atmosphere, in Encyclopedia of Environmental Biology, Vol. 2 (ed. W. A. Nirenberg). New York: Academic Press.
5. Wuebbles, D. J. and Edmonds, J. (1991) Primer on Greenhouse Gases. Chelsea, MI: Lewis Publishers.