Turk, Amos <br/><br/>
Ecology, pollution, environment / 
Amos Turk, Jonathan Turk [and] Janet T. Wittes 
 - Philadelphia :  Saunders,  1972 
 - ix, 217 p. :  ill. ;  23 cm. 
 - Saunders golden series .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0721689256 :  PND 24.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution<br/>Ecology<br/>Population
<br/><br/><label>Dewey Class. No.: </label>333.7