Ecoscience : population, resources, environment /
Paul R. Ehrlich, Anne H. Ehrlich, John P. Holdren.-
- San Francisco : W.H. Freeman, 1977.
- xv, 1051 p. : ill., diagrs.
Based on : Population, resources, environment.
Includes bibliographies.
0716700298
1. Population. 2. Pollution.
3. Human ecology. Population, resources, environment.