Simmons, I. G. <br/><br/>
The Ecology of natural resources 
/ I. G. Simmons 
 - London  Edward arnold  1974 
 - vii, 422 p. 
<br/><br/><label>ISBN: </label>713157348 
<br/><br/><label>Dewey Class. No.: </label>301.3  / SIM