000 00348nam a2200121Ia 4500
008 211209s2000 xx 000 0 und d
041 _aeng
082 _a621.381537 O 00 VIS
100 _aVISHWANATHAN, THIAGARAJAN
245 _aTELECOMMUNICATION SWITCHING SYSTEMS AND NETWORKS
260 _aNEW DELHI
_bPRENTICE-HALL OF INDIA
_c2000
300 _a583
999 _c26953
_d26953