Murphy, Michael A. <br/><br/>
International Stratigraphic guide: an abridged version 

 - Beijing  International Union of Geological Sciences  December 1999 
 - pp. 255-271  ilus. 
<br/><br/><label>ISSN: </label>0705-3797 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ESTRATIGRAFÍA<br/>GUIAS<br/>LEXICOS