Kupchella, Charles E. <br/><br/>
Environmental science :  living within the system of nature / 
Charles E. Kupchella and Margaret C. Hyland. 
 - 3rd ed. 
 - Englewood Cliffs, N.J.  Prentice-Hall  1993. 
 - 579 p. :  ill. ;  29 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0132827409 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.<br/>Pollution--Environmental aspects.<br/>Human ecology.