TY  - BOOK
AU  - Knight, David N.
TI  - Rocks, Minerals and the earth's crust
SN  - SBN 423876201
U1  - 551 
PY  - 1973///
CY  - London
PB  - Methuen Education
KW  - Geology -
KW  - Geology - Hydrology - Mineralogy -
N1  - Includes index
ER  -