Dasmohapatra, Gourkrishna. <br/><br/>
Enviornment and ecology 

 - New Delhi :  Vikas Publishing,  1994 
 - 385. 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitary municipal engineering
<br/><br/><label>Dewey Class. No.: </label>628.5  / DAS