Ehrlich,, Paul R.
Population, resources, environment : issues in human ecology / Paul R. Ehrlich, Anne H. Ehrlich
Population, resources, environment : issues in human ecology / Paul R. Ehrlich, Anne H. Ehrlich
. - 2nd ed
. - San Francisco : W. H. Freeman and Company, cop. 1972
. - 509 p. : il. 26 cm
0-7167-0695-4 (Encadernado)
577.4