00263nam a2200109Ia 4500008004100000041000800041082002200049100001500071245005000086260000900136300000800145211209s1958    xx            000 0 und d  aeng  a658.542 1 N58 BAR  aBARNES R M  aMOTION AND TIME STUDY DESIGN AND MEASUREMENT   c1958  a799