TY  - GEN
AU  - Cotterill, Carl H.
AU  - Cigan, John M.
AU  - 
TI  - MINING AND METALLURGY OF LEAD AND ZINC
U1  - 669.4 
PY  - 1970///
CY  - N. Y.
PB  - Aime
KW  - Lead -- Congresses
KW  - Zinc -- Congresses
N1  - Contents : V. 1. Mining And Concentrating Of Lead And Zinc -- V. 2. Extractive Metallurgy Of Lead And Zinc
ER  -