COUCH, II L. W. DIGITAL AND ANALOG COMMUNICATION SYSTEMS 7TH ED Textual Documents - 01-01-2009 - DORLING KINDERSLEY(INDIA) L.OF PEARSON EDUCAT - 749 24*18 14025 ISBN: 978-81-317-2543--6 P.B. Subjects--Index Terms: ELECTRONIC COMMUNICATION (S.E.) Dewey Class. No.: 621.39 / COU