Wetzel, Robert G. <br/><br/>
Limnological analyses /Robert G. Wetzel, Gene E. Likens 

 - 2nd. 
 - New York  S-V  1991 
 - xiii, 391p 
<br/><br/><label>ISBN: </label>0387973311 
<br/><br/><label>Dewey Class. No.: </label>574.52632  / N91