000 00306nam a2200121Ia 4500
008 220201s1977 xx 000 0 eng d
082 _a658.4034
_bBAF
100 _aBaffa, Elwood S
245 0 _aManagement science / operations research
260 _bJohn Willey & CO
_c1977
300 _a725
942 _2ddc
999 _c81691
_d81691