Keller, Edward A. <br/><br/>
Essential environmental science 
by Edward A. Keller and Daniel B. Botkin 
 - New Jersey  John Wiley  c2008 
 - xxvi,454p.:col.ill.,maps; 24cm. 
<br/><br/><label>ISBN: </label>9780471704119 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science
<br/><br/><label>Dewey Class. No.: </label>333.7015  / KEL