Emerson, William K.  1925-2016 <br/><br/>
Pleistocene invertebrates from Punta China, Baja California, Mexico : with remarks on the composition of the Pacific Coast quaternary faunas / 
William K. Emerson. 
 -- New York :   [s.n.],   1956 
 - 317-342. -- 
 (Bulletin of the American Museum of Natural History  ;  111, 4).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrados
<br/><br/><label>Universal Decimal Class. No.: </label>592