The phylogeny and systematic position of pogonophora  proceedings of a symposium held at the Zoological Central Institute, University of Copenhagen, Nov. 1st-3rd, 1973 
edited by Arne Norrevang 
 - Hamburg  Verlag Paul Parey  1975 
 - 143 p. : ill. ; 25 cm. 
<br/><br/><label>ISBN: </label>3490201183 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phylogeny