Ehrlich, Paul R.
Population, resources, environment : issues in human ecology / [by] Paul R. Ehrlich [and] Anne H. Ehrlich. - 2d ed. - San Francisco : W. H. Freeman, [1972] - xiv, 509 p. : illus. ; 27 cm. - A Series of books in biology .
Third ed. published in 1977 under title: Ecoscience.
Includes bibliographies.
Population.
Pollution.
Human ecology.
301.3
Population, resources, environment : issues in human ecology / [by] Paul R. Ehrlich [and] Anne H. Ehrlich. - 2d ed. - San Francisco : W. H. Freeman, [1972] - xiv, 509 p. : illus. ; 27 cm. - A Series of books in biology .
Third ed. published in 1977 under title: Ecoscience.
Includes bibliographies.
Population.
Pollution.
Human ecology.
301.3