TY  - BOOK
AU  - 
TI  - Lead - Zinc Update
SN  - 0895202506
U1  - 669.4 LEA 
PY  - 1977///
CY  - New York
PB  - Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers
KW  - Lead mines and mining
KW  - Zinc mines and mining
KW  - Congresses
KW  - Lead
KW  - Zinc
KW  - Ore-dressing
N1  - Supplement to the 1970 proceedings of the AIME World Symposium on Mining and Metallurgy of Lead and Zinc; Includes indexs ( p.: 399 - 414 )
ER  -