00285nam a2200109Ia 4500082002200000100001800022245006800040260004200108300001500150500000500165700000500170  a658.4032bOp62.SA  aOptner, S. L.  aSystems analysis for business and industrial problems solvingb  aEnglewood CliffsbPrentice-Hallc1965  axii, 116p.  a  a