TY  - BOOK
AU  - Strokes, B.J. 
AU  - MaLpas, A.J.
TI  - An Introduction to the chemistry of rocks and minerals No 9
SN  - 0713124997
AV  - QB28.2P4 1975 
PY  - 1975///
CY  - London
PB  - Edward Arnold
KW  - Geochemistry
ER  -