Ehrlich, Paul R. <br/><br/>
Human natures, genes, cultures, and the human prospect / 
Ehrlich, Paul R. 
 - Washington:  Island press,  2000. 
 - xii,531p.;24cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>155963779x 
<br/><br/><label>Dewey Class. No.: </label>599.938 EHR