Simmons, I. G. <br/><br/>
The ecology of natural resources 

 - New York  Halsted Press  1974 
 - vii, 424 p. : ill. ; 24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0713157348 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology.
<br/><br/><label>Dewey Class. No.: </label>301.31SIM