Leach, Donald P. Digital principles and applications / Donald P. Leach, Albert Paul Malvino and Goutam Saha - 6th ed - India Tata McGraw-Hill 2006 - 683 p. ISBN: 9780070601758 Subjects--Topical Terms: electronic digital computers-circuitsDigital electronicsᅠ Dewey Class. No.: 621.395 LEA-D