Ehrlich, Anne H. Holdren, John P. Ehrlich, Paul R. <br/><br/>
Ecoscience: population, resources, environment  text 

 - San Francisco  W.H.Freeman and Company  1977 
 - 1051p. 
<br/><br/><label>ISBN: </label>0716700298 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment<br/>Human ecology<br/>Population<br/>Natural resources
<br/><br/><label>Dewey Class. No.: </label>EHR