Ehrlich, Paul R <br/><br/>
Man and the ecosphere, with commentaries 

 - San Francisco :  Freeman,  1971 
 - 307 p.  : ilus. 
 - Reading from Scientific American .
 - Reading from Scientific American .
<br/><br/><label>LCCN: </label>25413 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología humana.<br/>Hombre--Influencia del medio ambiente.<br/>Medio ambiente.
<br/><br/><label>Dewey Class. No.: </label>301.3  / E4