000 00318nam a2200133Ia 4500
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082 _a622.12 V522
100 _aVERMA,B.S
245 0 _aELEMENTS OF MECHANICS OF MINING GROUND
250 _a1
260 _aLUCKNOW
_bTUHIN
_c1981
300 _a22X14
942 _cBK
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999 _c22188
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