Behrens, David W. <br/><br/>
Pacific Coast nudibranchs :  a guide to the opisthobranchs of the Northeastern pacific / 
by David W. Behrens. 
 - Los Osos, Calif :  Sea Challengers,  1980. 
 - 111 p. :  ill. (some col.) ;  23 cm. 
<br/><br/>Bibliography : p. 108. 
<br/><br/><label>ISBN: </label>0930118057 
<br/><br/><label>LCCN: </label>8051439 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nudibranchia--Pictorial works.--Pacific Islands<br/>Opisthobranchia--Pictorial works.--Pacific Islands<br/>Nudibranchia--Classification.--Pacific Islands<br/>Opisthobranchia--Classification.--Pacific Islands