Jeffries, Michael <br/><br/>
Freshwater ecology : principles and applications 
by Michael  Jeffries and Derek Mills 
 - New Delhi  CBS Publishers  c1990 
 - ix,283p. : ill.,maps.,plates. ; 24cm. 
<br/><br/><label>ISBN: </label>8123900422 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AQUATIC ECOLOGY
<br/><br/><label>Dewey Class. No.: </label>574.52632  /  JEF