Whitaker, Harold, 1920- Timing for animation / Harald Whitaker and John Halas ; updated by Tom Sito - 2nd ed. - Amsterdam : Elsevier/Focal Press, 2009. - xv, 157p. : ill. (some col.) ; 25cm. Previous ed.: 1981. Includes index ISBN: 9780240521602 (pbk.) RM90.97 Subjects--Topical Terms: Animation (Cinematography)