Simmons, I. G. (Ian Gordon), 1937-  Simmons, I. G. (Ian Gordon), 1937- <br/><br/>
The ecology of natural resources / 
I. G. Simmons. 
 - London :  Arnold,  1974. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [382]-405. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology.<br/>Natural resources.
<br/><br/><label>LC Class. No.: </label>GF 41 SIM 1974