00347nam a2200133Ia 4500008004100000100004500041245004100086250001000127260002800137300000800165650001600173942000700189999001700196190216s9999||||xx |||||||||||||| ||und||  aRussell L Ackoff & Maurice W Sasieni 0aFundamenatals Of Operations Research  aFIRST  bWiley Eastern Ltdc1991  a455  aMathematics  cBK  c31184d31184