Williams D Dudley <br/><br/>
Aquatic insects 

 - Wallingford  CAB International          1992 
 - 358p.  cm. 
<br/><br/><label>ISBN: </label>0851987826(pbk) 
<br/><br/><label>Standard No.: </label>2503 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Aquatic<br/> Insects<br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>K86:555, N2