de Celis, Alejandro K.  <br/><br/>
Echinoderm fauna in the Philippine archipelago / 
Alejandro K. de Celis. 
 - Manila :  National Museum of the Philippines,  1981. 
 - 29 pages :  color illustrations ;  26 cm. 
<br/><br/>Bibliography: p. 28-29. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Echinodermata--Philippines.
<br/><br/><label>LC Class. No.: </label>QL 381  / D43 1981