000 00297nam a2200133Ia 4500
008 161018s9999 xx 000 0 und d
020 _a9788126509294
100 _aBellamy John.C
_911523
245 _aDigital Telephony
250 _a3ED
260 _bWiley
300 _bRs:459
490 _a15669
999 _c15669
_d15669