Ehrlich, Paul R. <br/><br/>
Population resources environment :  issues in human ecology / 
Paul R. Ehrlich, Anne H. Ehrlich. 
 - San Francisco,  W. H. Freeman  1970. 
 - 383 p. :  ill. ;  26 cm. 
 - A Series of books in biology .
<br/><br/>Includes bibliographical references and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>0716706806 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population.<br/>Pollution.<br/>Human ecology.
<br/><br/><label>Dewey Class. No.: </label>301.3  / EHP