Ehrlich P R <br/><br/>
Man and the ecosphere 

 -  1971 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>31103 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Demography<br/> Social pathology<br/>Anthropology
<br/><br/><label>Dewey Class. No.: </label>Y17:G:5, L1