000 00460nam a2200181Ia 4500
008 250428s9999 xx 000 0 und d
082 _a621.381 R61e 1995
245 0 _aElectronic communications
245 0 _cRoddy, Dennis,.
250 _a4th ed.
260 _bPrentice Hall Career and Technology,
260 _c1995
300 _aix, 820 p.
526 _a600 Technology (App Sciences)
650 _aTelecommunication.
942 _2DDC
942 _cB
999 _c12874
_d12874