000 00276nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aTHIAGARAJAN VISWANATHAN
245 _aTELECOMMUNICATION SWITCHING SYSTEMS AND NETWORKS
250 _a1
260 _c2006
_bPRENTICE HALL OF INDIA
999 _c31937
_d31937