000 00290nam a2200109Ia 4500
008 201231s9999 xx 000 0 und d
100 _aAckoff, Russell and Rivett, Patrick
245 2 _aA Manager's Guide To Operations Research
260 _aNewYork
_bJohn Wiley
300 _a0
942 _cBK
999 _c10055
_d10055