00619nam a22002051 4500 1/10381 970415s1980 enk 000 0eng d 0471083356 10726 DLC GR-PeUP 658.5'42 BA Barnes, Ralph M. Motion and time study.Design and measurement of work/ Ralph M.Barnes. 7th ed. New York : John Wiley & Sons, 1980. 689 p. ; 21 cm. Includes indexes. Motion study. Time study. INST UNIPILB MAIN 20040709 658.5'42 BA 00126136 00126136 LOAN 0 1