Ecoscience : population, resources, environment /
Ehrlich, Paul R.
Ecoscience : population, resources, environment / Paul R. Ehrlich, Anne H. Ehrlich, John P. Holdren. - San Francisco : W.H. Freeman, c1977. - xv, 1051 p. : ill.
First-2d ed. published under title: Population, resources, environment.
0716700298 (pbk.) 0716705672
Population.
Pollution.
Human ecology.
Ecoscience : population, resources, environment / Paul R. Ehrlich, Anne H. Ehrlich, John P. Holdren. - San Francisco : W.H. Freeman, c1977. - xv, 1051 p. : ill.
First-2d ed. published under title: Population, resources, environment.
0716700298 (pbk.) 0716705672
Population.
Pollution.
Human ecology.