Echinoderms  :  present and past : proceedings of the European Colloquim on Echinoderms, Brussels, 3-8 September 1979 / 
edited by Michel Jangoux. 
 - Rotterdam :  A.A. Balkema,  1980. 
 - xviii, 428 p. :  ill. ;  26cm. 
<br/><br/><label>ISBN: </label>9061910773 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Echinodermata.