Shrader, Robert L. Electronic communication / Robert L. Shrader. - Sixth Edition - xiii, 713 pages: illustrations ; 26 cm. Includes index. ISBN: 0070571570 LCCN: 90044736 Subjects--Topical Terms: Electronics.Radio. LC Class. No.: TK7815 / .S5 1991 Dewey Class. No.: 621.38