Ehrlich, Paul R. <br/><br/>
Population resources environment  ; Issues in human ecology 
Paul R. Ehrlich 
 - San Francisco:  W .H. Freeman,  1970. 
 - 383p. 
<br/><br/> HP 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population
<br/><br/><label>Dewey Class. No.: </label>573  / EHP