GOULD, Stephen J. <br/><br/>
Evolution and syatematics of Cerion (Mollusca : Pulmonata) on new providence island : a radical revision / 
Stephen J. Gould, David S. Woodruff. 
 -- New York :   [s.n.],   cop. 1986 
 - p. 390-490  il. -- 
 (Bulletin of the American Museum of Natural History  ;  182, 4).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Moluscos
<br/><br/><label>Universal Decimal Class. No.: </label>594.38