000 00494nam a2200193Ia 4500
999 _c31340
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020 _a9788120351745
040 _aUPES LIBRARY
_bEnglish
082 _a622
_bRAY
100 _aRay, Subhash C.
_935332
245 _aMine and mineral economics
260 _aDelhi:
_bPHI Learning,
_c2016
300 _axiv, 242p.
650 _aMining
_952281
700 _aSinha, Indra N.
_935334
942 _cBK