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040 _aUPES LIBRARY
_bEnglish
082 _a332.6442
_bTRE
100 _aTreat, John
_947196
245 _aEnergy futures
_b: trading opportunities
250 _a3rd
260 _aOklahoma:
_bPenn Well Cor,
_c2000
650 _aManagement
653 _aEnergy trading
942 _cBK
999 _c2387
_d2387