00482pamaa2200169 4500 0000009805 20060615090000.0 0071126724/0028005929(hard) 621.382 KEN 1993 TK5101 KEN 1993 KENNEDY Electronic communication systems George Kennedy and Bernard Davis. 4th ed. Illinois: Glencoe, 1993. xv, 763p.: ill.; 24cm. Telecommunication DAVIS, Bernard