Population, resources, environment : issues in human ecology /
Ehrlich, Paul R.
Population, resources, environment : issues in human ecology / by Paul R. Ehrlich and Anne H. Ehrlich. - 2nd ed. - San Francisco : W.H. Freeman, 1972. - xiv, 509 p. : ill. ; 27 cm. - A series of books in biology .
Third ed. published in 1977 under title: Ecoscience.
Includes bibliographical references
0716706954
Population.--------
Pollution.--------
Human ecology.--------
301.3
Population, resources, environment : issues in human ecology / by Paul R. Ehrlich and Anne H. Ehrlich. - 2nd ed. - San Francisco : W.H. Freeman, 1972. - xiv, 509 p. : ill. ; 27 cm. - A series of books in biology .
Third ed. published in 1977 under title: Ecoscience.
Includes bibliographical references
0716706954
Population.--------
Pollution.--------
Human ecology.--------
301.3