000 00349nam a2200145Ia 4500
008 221231s9999 xx 000 0 und d
100 _aBellany, John C
_94369
245 0 _aDigital Telephony
250 _a3
260 _bJohn  Wiley and Sons
260 _c2006
300 _a643
650 _aElectronics and Communication
_94370
942 _cBE_BK
999 _c3492
_d3492