TY  - GEN
AU  - Hustrulid, William A.
AU  - Bullock, Richard L. 
TI  - Underground mining methods : : engineering fundamentals and international case studies
SN  - 0873351932
PY  - 2001///
CY  - Littleton
PB  - Society for Mining, Metalurgy, and Exploration, Inc.
KW  - MINING ENGINEERING
KW  - MINES AND MINING-HANDBOOKS
N1  - Index included
ER  -