TY  - BOOK
AU  - AGER,DEREK
TI  - THE NEW CATASTROPHISM: THE IMPORTANCE OF THE RARE EVENT IN GEOLOGICAL HISTORY / 
U1  - 551 
PY  - 1993///
CY  - [S.N] : 
PB  - CAMBRIBGE UNIVERSITY PRESS ، 
KW  - GEOLOGY
KW  - GEOLOGIC HISTORY
ER  -