TY  - GEN
AU  - Sarkar, S. K.
TI  - Ground control in Mining: selected papers 
SN  - 9789054107460
U1  - 622.28 
PY  - 1997///
CY  - Boca Raton
PB  - CRC press, 
KW  - Ground Control-Mining
KW  - Mining
ER  -