Lowry, Stewart McKinley, Time and motion study and formulas for wage incentives / by Stewart M. Lowry, Harold B. Maynard [and] G. J. Stegemerten. - 3d ed. - New York ; London : McGraw-Hill Book Company, inc., c1940. - xiii, 432 p. ill. ; 24 cm. Subjects--Topical Terms: Industrial efficiency.Time and motion study Dewey Class. No.: 658.542 / LOT 1960