Tocci, Ronald J. Digital systems : principles and applications / Ronald J. Tocci and Neal S. Widmer - 8th ed. - New Delhi : Pearson Education, c2001. - xxvi, 881 p. : ill. ; 26 cm. ISBN: 8178085593 LCCN: Subjects--Topical Terms: Digital electronics LC Class. No.: TK7868 / .D5T62 2001 Dewey Class. No.: 621.381 / T631d