Turk, Jonathan <br/><br/>
Introduction to environmental studies 
Jonathan Turk 
 - 3rd ed. 
 - Philadelphia  Saunders college publishing  1989 
 - 392p.ill 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0030236991   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental studies
<br/><br/><label>Dewey Class. No.: </label>333.7  / T939