000 00358nam a2200133Ia 4500
008 130729s9999 xx 000 0 und d
020 _a
082 _a
_b
100 _aBellamy, John C
245 _aDigital Telephony 3rd Ed.
260 _aNew Delhi
_b Wiley India
_c2010
650 _aElectronic Communication Engineering
_bTelecommunication
942 _2ddc
_cBK
999 _c1582
_d1582