Joseph, Kurian R. Nagendran <br/><br/>
Essentials Environemntal Studies / 
by Kurian Joseph and R. Nagendran 
 - Singapore:  Pearson Education,  2004 
 - p.603 
<br/><br/><label>ISBN: </label>8129704986 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology <br/>Ecology <br/>Environmental Science <br/>Environmental Studies 
<br/><br/><label>Dewey Class. No.: </label>577  / JOS-E