TY  - BOOK
AU  - COTTERILL, CARL H AND CIGAN,JOHNN M
TI  - AIME WORLD SYMPOSIUM ON MINING AND METALLURGY OF LEAD AND ZINC VOL II: EXTRACTION METALLURGY OF LEAD AND ZINC
SN  - 78132404
U1  - AIMEL0.2;1 
PY  - 1970///
CY  - NEW YORK
PB  - THE AMERICAN INSTITUTE OF MINING
KW  - METALLURGY OF LEAD AND ZINC
ER  -