Schwoerbel J <br/><br/>
Methods of Hydrolobiology 

 -  1970 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>43612 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Limnology Hydrobiology
<br/><br/><label>Dewey Class. No.: </label>G9557, L0