Moss, Brian <br/><br/>
Ecology of fresh waters  man and medium,past to future 

 - 3rd ed. 
 - Oxford  Blackwell  1980 
 - xvi,557p.  25cm 
<br/><br/><label>ISBN: </label>0632035129 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater Ecology
<br/><br/><label>Dewey Class. No.: </label>577.6  / MOS