Jerry C. Whitaker (2001). Television receivers. McGraw-Hill Professional. p. 147. ISBN 978-0-07-138042-3. 978-0-07-138042-3 ↩
Graham Wade (1994). Signal coding and processing (2nd ed.). Cambridge University Press. p. 332. ISBN 978-0-521-42336-6. 978-0-521-42336-6 ↩