Ager, D. V. <br/><br/>
The nature of the stratigraphical record / 
by Derek V. Ager. 
 - New York :  John Wiley & Sons,  1973 
 - xiv, 114 pages :  illustrations ;  23 cm. 
<br/><br/> 'A Halsted Press book.' 
<br/><br/>Bibliography: p. 101-109. 
<br/><br/><label>ISBN: </label>0470009373 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic