Simmons, I. G.   1937- <br/><br/>
The ecology of natural resources / 
I. G. Simmons. 
 - 2nd ed. 
 - New York :  J. Wiley,   c1981. 
 - viii, 438 p. :  ill. ;   24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0713163585 
<br/><br/><label>LCCN: </label>81-002953 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology.<br/>Natural resources.
<br/><br/><label>Dewey Class. No.: </label>333.7