TY  - BOOK
AU  - Lyell Charles
TI  - Principles of Geology
SN  - 9780140435283
U1  - 551 LYE 
PY  - 1997///
CY  - South Africa
PB  - PENGUIN BOOK
KW  -  geology
KW  -  lyell charles
KW  - principles
ER  -