TY  - BOOK
AU  - Marshak, Stephen.
AU  - 
TI  - Essentials of geology
SN  - 0-393-92411-4
U1  - 550 
PY  - 2004///
CY  - New York
PB  - W.W.Nosrton & Company
KW  - Geology
KW  - Earth science
N1  -  CD ROM included
ER  -