Tocci, Ronald J. Digital systems: principles and applications / by Ronald J. Tocci, Neal S. Widmer, Gregory L. Moss - 20th ed. - Uttar Pradesh: Dorling Kindersley(India)Pvt. Ltd, 2009. - xvii, 848p. ISBN: 9788131727249 Dewey Class. No.: D6,8(B) / P9