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040 _e61131
_aMAIN
041 _aEnglish
082 _a658.4034 B863M
100 _aBuffa, Elwood S
245 0 _aManagement science operations research: Model formulation and solution methods
260 _aNew York
_bJohn Wiley
_c1977
300 _ax, 590 p.
942 _cBK
999 _c157050
_d157050