Southwick, Charles H. <br/><br/>
Ecology and the quality of our environment / 
Charles H. Southwick 
 - 2nd ed. 
 - New York :  D. Van Nostrand,  1976 
 - xxi, 426 p. : ill. ; 24 cm. 
<br/><br/>Bibliography : p. 416-419 
<br/><br/><label>ISBN: </label>0442279213 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Human ecology<br/>Pollution