MOSS,BRIAN <br/><br/>
ECOLOGY OF FRESH WATERS 

 - 3Ed. 
 -  Blackwell Publishing Company, Malden, U.S.A.   1998 
<br/><br/><label>ISBN: </label>9780632035120 
<br/><br/><label>Dewey Class. No.: </label>597.176  / MOS/E