Kirkegaard, J. B. <br/><br/>
A quantitative investigation of the central North Sea polychaeta 

 - Copenhagen  : Zoological Museum, University of Copenhagen  , 1969 
 - 284 p. 
 - Spolia   Nš 29 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>POLYCHAETA
<br/><br/><label>Dewey Class. No.: </label>595.147 091 633 6