LEACH, DONALD P Digital Principles and Applications - 6th ed. - New Delhi T M H Educaion Pvt Ltd 2011 - 683p. ISBN: 9780070141704 Subjects--Topical Terms: Digital Principles Subjects--Facted Index Terms: DigitalPrinciplesApplicationsDigital Principles Dewey Class. No.: 621.395 LEA 6;7