000 00324nam a2200133Ia 4500
008 160630s9999 xx 000 0 und d
020 _a9788126509294
100 _aBellamy, John C
245 _aDigital Telephony
260 _c2012
_bWiley India Pvt.
300 _a643
942 _cBK
999 _c6648
_d6648