Niebel, Benjamin W 1900- Motion and time study : Benjamin W .Nibel - 7th ed. - New York : Wiley, c1982. - xi, 756 p. : ill. ; 24 cm. Includes index. Bibliography ISBN: 0471059056 : LCCN: 80000173 Subjects--Topical Terms: Motion study.Time study. Dewey Class. No.: 658.5 / NIM 1982