Tocci, Ronald J. Digital systems : principles and applications / Ronald J. Tocci ; with contributions from Neal S. Widmer. - 6th ed. - Englewood Cliffs, N.J. : Prentice Hall, c1995. - xviii, 827 p. : ill. (some col.) ; 26 cm. Includes index. ISBN: 0133093867 (International ed.) Subjects--Topical Terms: Digital electronics.