TY  - SER
ED  - American Institute of Mining and Metallurgical Engineers
TI  - Mining Technology
PY  - 1941///-
CY  - New York
PB  - American Institute of Mining and Metallurgical Engineers
KW  - ExplotaciÃ³n
KW  - MinerÃ­a
KW  - TecnologÃ­a
ER  -