Ager, D. V.. , <br/><br/>
The nature of the stratigraphical record / 
Derek V. Ager. 
 - 3rd ed. 
<br/><br/><label>ISBN: </label>0471938084 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic.
<br/><br/><label>LC Class. No.: </label>QA651   / .A37 1993