Turk, Amos. <br/><br/>
Ecology, pollution, environment 

 - Philadelphia,  Saunders,  1972. 
 - ix, 217 p.  ill. 
 - Saunders golden series .
<br/><br/><label>ISBN: </label>0721691388 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution.<br/>Ecology.<br/>Population.
<br/><br/><label>LC Class. No.: </label>MED TD174  / T87