Gillespie, James J. Dynamic motion and time study / by James J. Gillespie, assisted by Charles H. J. Cooper. With an appreciation by R. E. Lane. - London, P. Elek [1947] - 95 p. : illus.; 22 cm. "Book references": p. 94. Subjects--Topical Terms: Job analysis. Dewey Class. No.: 358.542 / GID 1947