TY  - GEN
AU  - Hartman, Howard L.
AU  - Mutmansky, Jan M.
TI  - Introductory mining engineering
SN  - 9788126511358
PY  - 2007///
CY  - New Delhi
PB  - John Wiley 
KW  - Mining - Engineering
KW  - Mining - stages
KW  - Surface mining
KW  - Underground mining
ER  -