Stevenson,R Jan <br/><br/>
Algal ecology freshwater benthic ecosystems 

 - New York  Academic Press  1996 
 - xxvi,753 
<br/><br/><label>ISBN: </label>0-12-668450-2 
<br/><br/><label>Dewey Class. No.: </label>589.35 S78A 1996