Roddy Dennis Electronic communications - 4 - New Delhi Prentice-Hall of India Private Limited 1995 - ix,820p Appendix A-B, 802-809p; Index 811-820p ISBN: 8120309847 (pbk) Standard No.: 8459 Source: N R Book, Textual Subjects--Topical Terms: CommunicationElectronic Dewey Class. No.: D65,4, M7;N5