IEEE Communications Magazine
IEEE Communications Magazine > 1981 > 19 > 5 > 83 - 84
IEEE Communications Magazine > 1981 > 19 > 5 > 80 - 82
IEEE Communications Magazine > 1981 > 19 > 5 > 83 - 84
IEEE Communications Magazine > 1981 > 19 > 5 > 80 - 82