Donovan, D. T. <br/><br/>
Stratigraphy :  an introduction to principles / 
by D. T. Donovan. 
 - New York :  Wiley-Interscience,  1966. 
 - 199 p. :  ill . ;  23 cm. 
<br/><br/>Includes Bibliography and index. 
<br/><br/><label>ISBN: </label>0471218006 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic.
<br/><br/><label>Dewey Class. No.: </label>551.7  / DOS 1966