TY - BOOK AU - Barnes, Ralph M. CN - T60.M65 CN - T60.M65 CY - New York, DA - [1968] ET - 6th ed. ID - 15685 KW - Motion study. KW - Time study. PB - Wiley PP - New York, PY - [1968] T1 - Motion and time study: design and measurement of work TI - Motion and time study: design and measurement of work ER -