000 00352nam a2200145Ia 4500
100 _aViswanathan/ G.
942 _cBK
654 _aTelecommunications
245 _aTelecommunication switching systems & networks
260 _bPrentice Hall of India
_aNew Delhi
_c1998
082 _a621.382
_bVIS
300 _a583
546 _aENGLISH
999 _c23231
_d23231