000 00265nam a2200109Ia 4500
008 200701s2013 xx 000 0 eng d
100 _aSAMIR KUMAR DAS
245 0 _aMODERN COAL MINING TECHNOLOGY
260 _bLOVELY PRAKASHAN PUB
300 _a566
942 _2ddc
_cGE
999 _c5331
_d5331