000 00309nam a2200121Ia 4500
008 180413s9999 xx 000 0 und d
100 _aChurchman West C
245 0 _aIntroduction To Operations Research
260 _bNew York : Wiley 1957.
300 _a645
546 _aEng
690 _aOperations Research.
999 _c15973
_d15973