TY  - BOOK
AU  - Johnstone, Sydney J.
AU  - Johnstone, Margery G.
TI  - Minerals: For the chemical and allied industries
U1  - 553 DDC 21
PY  - 1961///
CY  - London
PB  - Chapman and hall
KW  - Mineralogy
KW  - Chemical industry
KW  - Mines and mineral resources
ER  -