000 00367nam a2200157Ia 4500
999 _c7269
_d7269
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040 _aUPES LIBRARY
_bEnglish
082 _a622.334
_bCHA
100 _aChandra, D
_91377
245 _aTextbook of Coal
260 _aVaranasi:
_bTara Book,
_c2000
650 _aCoal mining
_940283
650 _aManagement
_940284
942 _cREF