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020 _a087814434
040 _aUPES LIBRARY
041 _aEnglish
082 _a333.79
_bEBE
100 _aEbenhack, Ben W
245 _aEnergy Resources
260 _aOklahoma
_bPennwell
_c1995
300 _a290
650 _aEconomics
650 _aEnergy
650 _aEnergy Resources
650 _aManagement
942 _cDD
999 _c2455
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