1. Chamberlin, T. C. J. Geol. 7, 547 (1899).
2. Plass, G. N. Tellus 8, 140 (1956).
3. Revelle, R. R. and the Geophysics Study Committee in Energy and Climate (Studies in Geophysics) 1–40 (National Academy of Sciences, Washington, D.C., 1977).
4. Bolin, B. in National Climate Program Act 29–30 (U.S. Govt Printing Office, Washington, D.C., 1976).
5. Hoffert, M. I. Atmos. Environ. 8, 1225 (1974).