Widmer, Neal S. Digital systems : principles and applications / Neal S. Widmer, Gregory L. Moss and Ronald J. Tocci - 12th ed. - India : Pearson India Services Pvt. ltd. ; 2022. - 1024 p. : ill. ; 25 cm. Includes index. ISBN: 9789356062054 Dewey Class. No.: 621.381 WID