TOCCI, Ronald J. Digital systems : principles and applications. / Ronald J. Tocci, Neal S Widmer and Gregory L. Mosss. - 9th. ed. - Upper Saddle River : Pearson Education International, 2004. - xxv, 964 p. : col. ill. + 2 CD-ROMs. Includes index. ISBN: 0131219316 Subjects--Topical Terms: Digital electronics.