Grant August E Ed. Communication technology update - 5th - Boston Focal Press 1996 - ix, 372p. cm. Includes bibliographical references; Glossary 359-372p ISBN: 0240802799 (pbk) Standard No.: 4521 Source: Shankar, Textual Subjects--Topical Terms: CommunicationElectronics Dewey Class. No.: D65,4, N6