TY  - SER
ED  - Canadian Institute of Mining and Metallurgy
TI  - Canadian Mining and Metallurgical Bulletin
PY  - 1947///-
CY  - Montreal
PB  - Canadian Institute of Mining and Metallurgy
KW  - Explotación
KW  - Metalurgia
KW  - Minería
KW  - Canadá
ER  -