000 00296nam a2200121Ia 4500
008 200701s1971 xx 000 0 eng d
100 _aSAMIR KUMAR DAS
245 2 _aA HAND BOOK OF SURFACE MINING TECHNOLOGY
250 _a2nd
260 _bSAGAR DEEP PRAKASHAN
300 _a332
942 _2ddc
_cGE
999 _c5328
_d5328