TY  - BOOK
AU  - Duff, P. McL. D.
TI  - Holmes' Principles of Physical Geology
SN  - 0412461900
U1  - 551 
PY  - 1992///
CY  - London
PB  - Chapman and Hall
KW  - Pure Sciences
KW  - Science of the earth and other worlds
KW  - Geology
ER  -