Cunningham, William P. <br/><br/>
Environmental science:   a global concern / 
William P. Cunningham, Mary Ann Cunningham, Barbara Woodworth Saigo. 
 - Seventh edition 
 - xvii, 646 pages :   colored illustrations, maps ;   28 cm. 
<br/><br/> Includes glossary and index. 
<br/><br/><label>ISBN: </label>0070294267 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Environmental sciences.<br/> Ecology.
<br/><br/><label>Dewey Class. No.: </label>363.7