Biology of echinodermata 
edited by Tomio Yanagisawa ... et al. 
 - Rotterdam  A. A. Balkema  1991 
 - 590 p. : ill. ; 25 cm. 
<br/><br/><label>ISBN: </label>9054100109 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Echinodermata--Congresses