Population resources environment : issues in human ecology /
Ehrlich, Paul R.
Population resources environment : issues in human ecology / Paul R. Ehrlich -- San Francisco W.H Freeman 1970
383 p. 26 cm.
Includes bibliographical references and index.
0716706806
Human ecology.
GC 304.2 Eh89 1990
Population resources environment : issues in human ecology / Paul R. Ehrlich -- San Francisco W.H Freeman 1970
383 p. 26 cm.
Includes bibliographical references and index.
0716706806
Human ecology.
GC 304.2 Eh89 1990