000 00436nam a2200157Ia 4500
003 OSt
008 181001s2000 xx 000 0 und d
020 _a9788120307131
082 _a621.38216
_bVIS
100 _aViswanathan, Thiagarajan
245 0 _aTelecommunication switching systems and networks
260 _bPHI,
_aNew Delhi:
_c©2000
300 _axx, 583p.
650 _aElectronics and Communication Engineering
942 _2ddc
_cBK
999 _c149
_d149