000 00291nam a2200109Ia 4500
008 200701s2008 xx 000 0 eng d
100 _aTHYAGARAJAN VISHWANADHAN
245 0 _aTELECOMMUNICATINO SWITCHING SYSTEM AND NETWORKS
260 _bPHI NEW DELHI
_c2008
300 _a512
942 _2ddc
_cGE
999 _c3602
_d3602