TY  - CPAPER
AU  - M. Najafi
AU  - S.E. Jalali
AU  - F. Sereshki
AU  - A. R. YARAHMADI Bafghi
TI  - EVALUATION OF PILLAR STRENGTH USING NUMERICAL MODELING, CASE STUDY: TABAS COAL MINE
T2  - 9th International Multidisciplinary Scientific GeoConference SGEM2009
PY  - 2009
SP  - 421
EP  - 426
PB  - SGEM Scientific GeoConference
ER  -