Nichols, David,  1930- <br/><br/>
Echinoderms / 
David Nichols. 
 - 4th (revised) ed. 
 - London :  Hutchinson,  c1969. 
 - 192 p. :  ill. ;  22 cm. 
 - Hutchinson University Library: Biological sciences .
<br/><br/>Bibliography: p. [176]-184. Includes index. 
<br/><br/><label>ISBN: </label>0090659937 0090659945 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Echinodermata.
<br/><br/><label>Dewey Class. No.: </label>593.9  / NIE 1969