TY  - BOOK
AU  - MITKE, CHARLES A.
TI  - MINING METHODS
T2  - 0
U1  - 549 
PY  - 0000///199
CY  - LONDON-U.S.A.
PB  - MCGRAW-HILL BOOK
KW  - CIENCIAS PURAS
N1  - STOPING METHOD-MINING
ER  -