000 00293nam a2200121Ia 4500
008 160710s1977 xx 000 0 und d
082 _a658.54 WIG
100 _aWAGNER,HM
245 _aPRINCIPAL OF OPERATIOIN RESEARCH
260 _bND PRINTICE HALL
_c1977
300 _a1039
942 _2ddc
_cB
999 _c47190
_d47190