Derberg, Hellis <br/><br/>
International stratigraphic guide: A guide to stratigraphic classification, terminology and procedure 

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 - New York  Wiley Eastern  1976 
 - xvii,200p   
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<br/><br/><label>ISBN: </label>
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Stratigraphy  classification  terminology 
<br/><br/><label>Dewey Class. No.: </label>551.7