Hass, Wilbert Henry   1906-1959 <br/><br/>
Conodonts from the Chappel Limestone of Texas / 
by Wilbert H. Hass. 
 -- Washington :   United States Government Printing Office,   1959 
 - P. 365-399, [5] h. de lam. -- 
 (Geological Survey Professional Paper  ;  294-J).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fósiles<br/>Texas
<br/><br/><label>Universal Decimal Class. No.: </label>56(764)