000 00306nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aFrederick S Hiller
245 0 _aOperations Research
250 _a-
260 _a-
260 _b-
260 _c0
650 _aOperations Research
942 _cBK
999 _c12842
_d12842