AGER, DEREK <br/><br/>
THE NEW CATASTROPHISM: THE IMPORTANCE OF THE RARE EVENT IN GEOLOGICAL HISTORY /  
AGER, DEREK 
 - [S.N] :   CAMBRIBGE UNIVERSITY PRESS ،   1993 
 - 231 P 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOLOGY<br/>GEOLOGIC HISTORY
<br/><br/><label>Dewey Class. No.: </label>551  / A N