Gross, Lynne S. Telecommunications : an introduction to electronic media / Lynne Schafer Gross. - 7th ed. - Boston : McGraw-Hill, 2000. - xxv, 438 p. : ill. ; 23 cm. - McGraw-Hill series in mass communication and journalism . Includes bibliographical references and index. ISBN: 0697355063 (softcover) 9780697355065 Subjects--Topical Terms: Telecommunication.Broadcasting. Dewey Class. No.: 621.382