TY  - GEN
AU  - Hustrulid, W.A., ed.
TI  - Underground mining methods handbook
PY  - 1982///
CY  - New York
PB  - American Institute of Mining, Metallurgical and Petroleum Engineers
KW  - MINES AND MINING-OPERATIONS RESEARCH
KW  - MINES AND MINING-HANDBOOKS
KW  - MINES AND MINING-UNDERGROUND TRANSPORTATION
KW  - HANDBOOKS-MINES AND MINING
N1  - Part 2 - sections 5-8
ER  -