Keller Edward A <br/><br/>
Essential elnvironmental science 
Keller Edward A; Botkin Daniel B 
 - Hoboken  John Willey and Sons         2008 
 - xxvi, 454p  cm. 
<br/><br/> Appendics: P. 405-09; Glossary: P. 410-16 
<br/><br/><label>ISBN: </label>9780471704119  3485.5 
<br/><br/><label>Source: </label> 3300, 18/03/2008, RAJKIRAN BOOK AGENCY  General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>U:(G:55), P8