Population resources environment;
Ehrlich, Paul R.
Population resources environment; issues in human ecology [by] Paul R. Ehrlich [and] Anne H. Ehrlich. - San Francisco, W. H. Freeman [1970] - 383 p. illus. 26 cm.
Third ed. published in 1977 under title: Ecoscience.
Bibliography: p. [360]-363.
0716706806
Population.
Pollution.
Human ecology.
HB 871 .E35 1970
Population resources environment; issues in human ecology [by] Paul R. Ehrlich [and] Anne H. Ehrlich. - San Francisco, W. H. Freeman [1970] - 383 p. illus. 26 cm.
Third ed. published in 1977 under title: Ecoscience.
Bibliography: p. [360]-363.
0716706806
Population.
Pollution.
Human ecology.
HB 871 .E35 1970