Welch, P.S <br/><br/>
Limnological Methods / 
Welch, P.S 
 - 1st edition 
 - Chennai :  Narendra publishing house ,  2009 
 - 381 pages 
<br/><br/><label>ISBN: </label>9788185375816 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>551.48  / WEL