TY  - BOOK
AU  - P. Mcl. D. Duff
TI  - Holmes' principles of physical geology 
SN  -  0-412-46190-0
U1  - 910 
PY  - 1996///
CY  - London
PB  - ELBS pub. 
KW  - Geology
N1  - includes index.
ER  -