Dasmohapatra.Gourkrishna.  <br/><br/>
Environment and ecology 

 - 2nd edition. 
 - New delhi :   Vikas Pub.   2010. 
 - 385.  
<br/><br/><label>ISBN: </label>978-81-259-2902-4  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering,
<br/><br/><label>Dewey Class. No.: </label>628  / DAS