00374nam a2200145Ia 450000500170000000800410001703700130005804000200007104100130009108400190010410000150012324500520013826000290019030000090021920250326125836.0250326s9999    xx            000 0 und d  aTextbook  aFMSLbengcFMSL  aeng2eng  aB2893 N8qFMSL  aAckoff R L 0aFundamentals of operations researchcAckoff R L  aNYbNY, John Wileyc1968  a455p