TY  - BOOK
AU  - Hartman,Howard L.
TI  - Introductory mining engineering
SN  - 0471820040
PY  - 1987///
CY  - New York
PB  - John Wiley & Sons
KW  - Mining engineering
N1  - Recommended text : MN122/ MN212/ MN391 (Mining Engineering)
ER  -