Grabau, Amadeus W.  1870-1946 <br/><br/>
Principles of Strategraphy / 
by Amadeus W. Grabau with a perfatory note by Marshall Kay 
 - New York :  Dover Publications,  c1960 
 - 2v :  ill. ;  21 cm. 
<br/><br/><label>ISBN: </label> Rs. 72.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Strtegraphic
<br/><br/><label>Dewey Class. No.: </label>551.7