000 00299nam a2200133Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aJohn C Bellamy
245 _aDigital Telephony
250 _a3rd
260 _bDelhi:Wiley
_c2007
300 _a643p.
650 _aElectronics
999 _c6193
_d6193