000 00468nam a22001697a 4500
003 NUST - PNEC
005 20170116180946.0
008 150907b xxu||||| |||| 00| 0 eng d
020 _a8120307135
040 _cLIBRARY
082 _a621.38 VIS
100 _98946
_aViswanathan, Thiagarajan
245 _aTelecommunication switching systems and networks
_cThiagarajan Viswanathan
260 _cc.1992
650 _98943
_bMS Communication
_xMSCom
942 _2ddc
_cBK
999 _c66282
_d66282