The ecology of man :  an ecosystem approach / 
Robert Leo Smith. 
 - 2d ed. 
 - New York :  Harper & Row,  c1976. 
 - xii, 436 p. :  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/>Innludes bibliographical references. 
<br/><br/><label>ISBN: </label>0060463384 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social ecology.
<br/><br/><label>LC Class. No.: </label>QH541 SMI