TY  - BOOK
AU  - Gilchrist,J.D.
TI  - Extraction metallurgy,
AV  - TN675.3 .G48 1967
U1  - 669 
PY  - 1967///]
CY  - Oxford, New York
PB  - Pergamon Press
KW  - Metallurgy
KW  - Mining engineering. Metallurgy
N1  - Bibliography: p. 279-282
ER  -