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. - 2d ed. - San Francisco, W. H. Freeman [1972] - xiv, 509 p. ills. 27 cm. - A Series of books in biology .
Third ed. published in 1977 under title: Ecoscience.
Includes bibliographies.
0716706954
70179799
Population.
Pollution.
Human ecology.
301.3 / EHR
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. ills. 27 cm. - A Series of books in biology .
Third ed. published in 1977 under title: Ecoscience.
Includes bibliographies.
0716706954
70179799
Population.
Pollution.
Human ecology.
301.3 / EHR