Gagliardi, Robert M. Introduction to communications engineering. - 2nd ed. - N.Y.: John Wiley & Sons, 1988. - xv, 621p.; - ( A Wiley series in telecommunication.) . Includes index. Subjects--Topical Terms: 1. Telecommunication. Subjects--Index Terms: "Y" LC Class. No.: TK5101 / .G34 1988.