000 00371nam a2200133Ia 4500
999 _c24115
_d24115
008 190711s9999 xx 000 0 und d
020 _a8120307135
082 _a621.382 V822
100 _aViswanathan, Thiagarajan.
245 0 _aTelecommunication Switching Systems and Networks
260 _aNew Delhi.
_bPrentice Hall of India.
_c1995
300 _a24X16
942 _cBK