Beyer Jan E <br/><br/>
Aquatic ecosystems: an openational research approach 

 - Seattle  University of Washington Press        1981 
 - ix, 315p.  cm. 
<br/><br/><label>Standard No.: </label>47889 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>G:555:(B), M1