TY  - BOOK
AU  - Lyell,Charles
AU  - Secord, James A; editor
TI  - Principles Of Geology
SN  - 014043528X
PY  - 1997///
CY  - London; New York
PB  - Penguin Books
KW  - Geology
N1  - Includes index; Includes bibliography index
ER  -