TY  - BOOK
AU  - Sawkins, Frederick J. .
TI  - Textbook in Physical Geology :Evolving Earth / 
SN  - 0-02-406510-2
U1  - H 
PY  - 1997///
CY  - New York : 
PB  - Macmillan Publishing Co., Inc. , 
KW  - Oceanic Crust
ER  -