Smith, Robert Leo, comp. <br/><br/>
The ecology of man :   an ecosystem approach/ 
Robert Leo Smith, comp. 
 - 2nd ed. 
 - New York :  Harper  ,  1976 
 - xii, 399 p. :   ill.    28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0060463384 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology.