TY  - BOOK
ED  - Institution of Mining and Metallurgy (Great Britain)
TI  - Extraction and refining of the rarer metals: a Symposium on Extraction Metallurgy of Some of the Less Common Metals 
U1  - 622.7 23
PY  - 1957///
CY  - London
PB  - The Institute of Mining and Metallurgy
KW  - Ore-dressing
KW  - Societies, etc
KW  - Rare earth metals
KW  - Metallurgy
KW  - Congresses
N1  - Includes bibliographies and index
ER  -