000 00322nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a65.012.122
_bCHU
100 _aChurchman, West
245 0 _aIntroduction to operations research
260 _aNew York
_bJohn Wiley
_c1957
650 _aOperations research
942 _cBK
999 _c36124
_d36124