Turk, Amos. <br/><br/>
Ecology, pollution, environment / 
Amos Turk, Jonathan Turk and Janet T. Wittes. 
 - Philadelphia :  W. B. Saunders,  1972. 
 - ix, 217 p. : 
<br/><br/><label>ISBN: </label>TBA247 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution.
<br/><br/><label>Dewey Class. No.: </label>363.73  / Ec