VISWANATHAN T. TELECOMMUNICATION SWITCHING SYSTEMS AND NETWORKS Textual Documents - 01-07-2004 - PRENTICE HALL OF INDIA PVT LTD, NEW DELHI-110001 - XX/583 24 X15 7226 ISBN: PAPER BACK Subjects--Index Terms: DIGITAL COMMUNICATION (T.E.) Dewey Class. No.: 621.385 6 / VIS