Cunningham, William P. <br/><br/>
Environmental science:   a global concern/ 
William P. Cunningham, Mary Ann Cunningham. 
 - 10th ed. 
 - Boston:  McGraw-Hill,  c2008 
 - 618 p.:  ill.;  29 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>978-0-07-305138-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science
<br/><br/><label>Dewey Class. No.: </label>GC 363.7 C973 2008