Population resources environment : issues in human ecology
EHRLICH, Paul R
Population resources environment : issues in human ecology - 2nd ed - U.S. 1972 - 509p - Series of books in biology .
HUMAN ECOLOGY
HUMAN ECOLOGY POPULATION
301.3 E42P
Population resources environment : issues in human ecology - 2nd ed - U.S. 1972 - 509p - Series of books in biology .
HUMAN ECOLOGY
HUMAN ECOLOGY POPULATION
301.3 E42P