TY  - BOOK
AU  - Dorr, John Van Nostrand
TI  - Cyanidation and concentration of gold and silver ores
AV  - TN767 D67
PY  - 1936///
CY  - New York
PB  - McGraw-Hill
KW  - Endurecimiento superficial
KW  - Oro
KW  - Metalurgia
KW  - Plata
ER  -