Aquatic insects of California :   with keys to North American genera and California species  / 
edit. by Robert L. Usinger [et.al.] 
 - Berkeley  :   University of California 
 - 508 p. 
<br/><br/><label>LCCN: </label>205079 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insectos
<br/><br/><label>Dewey Class. No.: </label>PA 595.7092 A6