Kennedy, George, 1937- Electronic communication systems / George Kennedy and R. W. Tinnell - International student edition - Tokyo : McGraw-Hill, 1970 - 743 pages illustrations 24 cm. Includes bibliographical references and index. ISBN: 0070340528 LCCN: 76045470 Subjects--Topical Terms: Telecommunication. LC Class. No.: TK5101 / .K39 1977 Dewey Class. No.: 621.38