000			00321nam a22001337a 4500
003			OSt
005			20240525114521.0
008			240525b |||||||| |||| 00| 0 eng d
100			_aViswanathan,Thiagarajan
245			_aTelecommunication Stwitching System & Networking
260			_bPHI
300			_a583
942			_2ddc _cTCB
999			_c7020 _d7020