000 00240nam a2200109Ia 4500
008 200701s1971 xx 000 0 eng d
100 _aMISRA
245 0 _aSURFACE MINING
260 _bSAGAR DEEP PRAKASHAN
300 _a586
942 _2ddc
_cGE
999 _c5329
_d5329