Joseph, Kurian R. Nagendran <br/><br/>
Essentials of Environmental Studies / 
by Kurian Joseph and R. Nagendran 
 - Singapore:  Pearosn Education,  2004 
 - p.503 
<br/><br/><label>ISBN: </label>8129704986 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology <br/>Environmental Studies
<br/><br/><label>Dewey Class. No.: </label>577  / JOS-E