000 00462nam a2200169Ia 4500
999 _c64923
_d64923
005 20210608160508.0
008 190703s9999 xx 000 0 und d
020 _a9788120307131
082 _a621.382 V822T
100 _aViswanathan, Thiagrajan
245 0 _aTelecommunication Switching Systems and Networks
260 _aNew Delhi
_bPearson
_c2001
300 _ap.583
650 _aSrrowger Switching Systems
650 _aCrossbar Switching
942 _cSW