000 00294nam a2200121Ia 4500
008 220601s1969 xx 000 0 eng d
020 _qH B
041 _aEnglish
100 _aWagner,Harvey M
245 0 _aPrinciples of Operations Research
260 _bPrentice - Hall
_c1969
942 _2ddc
_cBK
999 _c2383
_d2383