Cunningham, William P. <br/><br/>
Environmental science:  a global concern/ 
William P. Cunningham 
 - Fourth edition. 
 - Boston, Massachussetts:  McGraw Hill,  ©1997. 
 - xxi, 1(various paging):  color illustrations;  27 cm. 
<br/><br/> Includes glossary, credits and index. 
<br/><br/><label>ISBN: </label>0-697-28671-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science
<br/><br/><label>Dewey Class. No.: </label>DC 577  / C91