Lowry, Stewart McKinley 1896- Time and motion study and formulas for wage incentives / Stewart M. Lowry, Harold B. Maynard, G. J. Stegemerten. - 3rd ed. - New York: McGraw-Hill, 1940. - xiii, 432 p. : ill. ; 24 cm. - McGraw-Hill industrial management series . Includes index. Subjects--Topical Terms: Efficiency, Industrial Dewey Class. No.: 658.542