000 00414nam a2200169Ia 4500
008 220901s9999 xx 000 0 und d
041 _a  ENGLISH
082 _a621.382
082 _bSCH
100 _aSCHOENBECK,ROBERT J
245 0 _aElectronic communications modulation and transmission
260 _bPHI
260 _c1999
300 _a645
650 _a  ELECTRONIC COMMUNICATIONS
942 _cTB
999 _c140011
_d140011