Leach, Donald P. Digital principles and applications Donald P. Leach, Albert Paul Malvino - 5th ed. - New Delhi Tata McGraw Hill 2002 - xxii, 683 p. include Index ISBN: 0070472580 Rs.225.00 Subjects--Topical Terms: Computer scienceEngineeringDigital principal Dewey Class. No.: 621.381 / LE465DI