Ehrlich, Paul R. <br/><br/>
Population, resources, environment;  issues in human ecology 
[by] Paul R. Ehrlich [and] Anne H. Ehrlich. 
 - 2d ed. 
 - San Francisco,  W. H. Freeman  [1972] 
 - xiv, 509 p.  ills.  27 cm. 
 - A Series of books in biology .
<br/><br/> Third ed. published in 1977 under title: Ecoscience. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0716706954 
<br/><br/><label>LCCN: </label>70179799  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population.<br/>Pollution.<br/>Human ecology.
<br/><br/><label>Dewey Class. No.: </label>301.3  / EHR