Lowry, Stewart McKinley Time and motion study and formulas for wage incentives - 3ed. - New York : Mc Graw-Hill book company, inc., 1940 - xiii, 432 p. : il. - Half-title McGraw-Hill Industrial Management Series ; D.S. Kimball, consulting ed. . Subjects--Topical Terms: EFICACIA INDUSTRIAL Dewey Class. No.: 658.542 / L92