000 00417nam a2200145Ia 4500
008 241226s9999 xx 000 0 und d
020 _a81-203-0713-5
082 _a621.382 12
_bVIS
100 _aViswanathan, T
245 0 _aTelecommunication switching systems and networks
260 _aNew Delhi :
_bPrentice Hall,
_c1997.
300 _axx,583
365 _a195
650 _aElectrical Electronics Communication,
999 _c129482
_d129482