000 00279nam a2200109Ia 4500
008 200701s2004 xx 000 0 eng d
100 _aTHIAGARAJAN
245 0 _aTELECOMMUNICATION SWITCHING SYSTEMS AND NETWORKS
260 _bPHI NEW DELHI
_c2004
300 _a583
942 _2ddc
_cGE
999 _c2492
_d2492