Hobson, Katharine D. <br/><br/>
Sedentariate and archiannelid polychaetes   : of British Columbia and Washington 

 - Ottawa  : Deparment of fisheries and oceans  , 1981 
 - 144 p. 
 - Canadian Bulletin of Fisheries and Aquatic Sciences   209  0706-6503 .
<br/><br/><label>ISBN: </label>0-660-10921-2 
<br/><br/><label>Dewey Class. No.: </label>595.147 091 64