Nautiyal,Prakash <br/><br/>
Biological diversity in freshwater environment 

 - Srinagar  HNBGU  2005 
 - 332 
<br/><br/><label>ISBN: </label> 800.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science
<br/><br/><label>Dewey Class. No.: </label>578.76  BIO