Mishra, Ravi ed., <br/><br/>
Freshwater environment 

 - New Delhi  Anmol Publication  2002 
 - 226p.  HB  22cm. 
 - Encyclopedia of geographical science and environment science .
<br/><br/><label>ISBN: </label>812611102X 
<br/><br/><label>Dewey Class. No.: </label>577.6  / FRE