1. Academy of Sciences of the U.S.S.R. (1964).Fiziko-geograficheskii Atlas Mira. Academy of Sciences of the U.S.S.R., Moscow.
2. Altman, P. L. and Dittmer, D. J. (eds.) (1974).Biology Data Book. Federation of American Societies for Experimental Biology, Bethesda, Vol. III.
3. Brody, S. (1964).Bioenergetics and Growth. Hafner, New York.
4. Buck, J. L. (1937).Land Utilization in China. University of Nanking, Nanking.
5. Budyko, M. L. (1974).Climate and Life. Academic Press, New York.