Seibold, Eugen <br/><br/>
Stratigraphy quo vadis? 

 - Tulsa, OK  American Association of Petroleum Geologists  1984 
 - 70 p.  ilus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ESTRATIGRAFÍA
<br/><br/><label>Universal Decimal Class. No.: </label>551.7/S37