Pawson, David L.  1938- <br/><br/>
Systematics and ecology of the sea-urchin genus Centrostephanus (Echinodermata :  Echinoidea) from the Atlantic and Eastern Pacific oceans / 
David L. Pawson and John E. Miller. 
 - Washington :  Smithsonian Institution Press,  1983. 
 - 15p. :  ill. ;  26 cm. 
 - Smithsonian contributions to the marine sciences ;  no. 20. .
<br/><br/>Bibliography: p.14-15 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Centrostephanus.<br/>Echinodermata--Atlantic Ocean.<br/>Echinodermata--Pacific Ocean.