Townsend, Colin R <br/><br/>
The ecology of streams and rivers 

 - London  Edward Arnold  1980 
 - [4],68 p. 
 - Studies in Biology, 122 .
<br/><br/><label>ISBN: </label>0713128046 
<br/><br/><label>Dewey Class. No.: </label>574.5263  / TOW