00312nam a2200109Ia 4500008004100000082002200041100002100063245004000084260003100124650002400155700002300179220204s9999    xx            000 0 und d  a65.012.122bACK;2  aAckoff,  Russell 0aFundamentals of operations research  aNew YorkbJohn Wileyc1968  aOperations research  aSasieni, Maurice W