TY  - BOOK
AU  - Marshak, Stephen,
AU  - Prothero, Donald R. 
TI  - Earth :portrait of a planet / 
SN  - 0393974235
U1  - 550.5 23
PY  - 2001///
CY  - New York
PB  - McGraw Hill
KW  - Geology
ER  -