Echinoderms :  present and past :  proceedings of the European Colloquim on Echinoderms Brussells,3-8 September 1976 / 
edited by by Michel Jangoux 
 - Rotterdam :  A. A. Balkema,  1980 
 - xviii, 428 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>9061910773 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Echinodermata--Congresses