Mundel, Marvin E. 1916-1996 Motion and time study; principles and practices [by] Marvin E. Mundel. - 4th ed. - Englewood Cliffs, N.J., Prentice-Hall [1970] - xiv, 674 p. illus. 24 cm. Bibliography: p. 596-599. ISBN: 0136030351 LCCN: 77095751 Subjects--Topical Terms: Motion study.Time study. LC Class. No.: T60 / .M85 1970 Dewey Class. No.: 658.542 / MUN/M