An introduction to the aquatic insects of North America /  
edited by Richard W. Merritt and Kenneth W. Cummins. 
 - 3rd ed. 
 - Dubuque, Iowa :   Kendall/Hunt,   c1996. 
 - xiii, 862 p. :   il. 
<br/><br/><label>ISBN: </label>0787232416 
<br/><br/><label>LCCN: </label>95080182  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insetos aquáticos--América do Norte.
<br/><br/><label>Dewey Class. No.: </label>595.70973