Food Production and the Energy Crisis

Autor: Pimentel, David, Hurd, L. E., Bellotti, A. C., Forster, M. J., Oka, I. N., Sholes, O. D., Whitman, R. J.
Zdroj: Science, 1973 Nov 01. 182(4111), 443-449.
Databáze: JSTOR Journals