TY  - BOOK
AU  - Marshak,Stephen
TI  - Essentials of geology
SN  - 0393924114 (pbk.)
U1  - 550 
PY  - 2004///
CY  - New York
PB  - W.W. Norton
KW  - Geology
N1  - NUST; 0; 0; 0; 550_000000000000000_MAR
ER  -