000 00440nam a2200181Ia 4500
008 200204s9999 xx 000 0 und d
020 _a9780071126724
082 _a621.382 KEN
100 _a"Kennedy, George; Davis, Bennard"
245 0 _aElectronic communication systems
250 _a4th ed.
260 _aCalifornia
260 _bGlencoe
260 _c1992
300 _a761: ill.
650 _aTelecommunication
942 _cBK
999 _c48354
_d48354