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, 1995. - xviii, 827 p. : ill. ISBN: 0132932008 Subjects--Topical Terms: Digital electronics. Dewey Class. No.: 621.381 / T631