Roddy Dennis Electronic communications - 4 - New Delhi Prentice-Hall of India Pvt Ltd 1995 - ix, 820p Appendix A-B, 802-810p; Index 811-820p. ISBN: 8120309847 (pbk) Standard No.: 10097 Source: Anand, Textual Subjects--Topical Terms: CommunicationElectronic Dewey Class. No.: D65,4, M7;N5;3