Simmons, I. G. <br/><br/>
The Ecology of Natural Resources/ 

 - 2nd ed. 
 - London  ELBS  1974 
 - x,417p.:  ill.(pics., tables); 
<br/><br/>Includes bibliography and index 
<br/><br/><label>ISBN: </label>0713163585 
<br/><br/><label>LC Class. No.: </label>GF41  / .Si4 1974