Quantitative stratigraphy 
by F.M. Gradstein ... (et al.) 
 - Dordrecht  D. Reidel Publishing Company  1985 
 - 598p. 25cm 
<br/><br/><label>ISBN: </label>9027721165 
<br/><br/><label>LCCN: </label>85-18331 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stratigraphic correlation--Statistical methods