Turk, Jonathan. <br/><br/>
Introduction to environmental studies / 
Jonathan Turk. 
 - Philadelphia :  W. B. Saunders,  1980. 
 - viii, 331 p. :  ill. ;  27 cm. 
 - Saunders golden sunburst series in environmental science. .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0721689191 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.<br/>Pollution--Environmental aspects.