Whitton, B. A. <br/><br/>
River ecology 

 - Oxford  1975 
 - x,725p.  25cm. 
<br/><br/><label>ISBN: </label>0-632-09740-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater biology
<br/><br/><label>LC Class. No.: </label>QH541.5.W3W5