Viswanathan, P. <br/><br/>
Environmental biology/ 
P. Viswanathan 
 - Puducherry :  Virat Pub.,  2008 
 - v, 176 p.;  21 cm. 
<br/><br/><label>ISBN: </label>8187957107(pbk)  Rs.110.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution--Environmental aspects<br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>577.27