TY  - BOOK
AU  - Murck,Barbara W.
AU  - Skinner,Brian J.
TI  - Geology today: understanding our planet 
SN  - 0471393096
AV  - QE28.2 .M87 1999
PY  - 1999///
CY  - New York
PB  - J. Wiley
KW  - Historical geology
ER  -