TY  - BOOK
AU  - Ager,Derek
TI  - The new catastrophism : the importance of the rare event in geological history / 
SN  - 0521483581
U1  - 551.09 
PY  - 1993///
CY  - Cambridge : 
PB  - Cambridge University Press , 
KW  - GEOLOGY-HISTORY
N1  - NULL
ER  -