Population resources environment
Ehrlich, P.R., Ehrlich, A.H.
Population resources environment Issues in human ecology by P.R. Ehrlich & A.H. Ehrlich - 2nd Edition - San Francisco W.H. Freeman & Co. 1972 - 509 pp. - Series of Books in Biology .
Human
Ecology
Population
Resources
301.32 / E 33 P
Population resources environment Issues in human ecology by P.R. Ehrlich & A.H. Ehrlich - 2nd Edition - San Francisco W.H. Freeman & Co. 1972 - 509 pp. - Series of Books in Biology .
Human
Ecology
Population
Resources
301.32 / E 33 P