000 00306nam a2200121Ia 4500
008 220901s9999||||xx |||||||||||||| ||und||
082 _a621.3822 BSN
100 _aBSNL
245 0 _aTelecommunications
250 _aVol. 55 Issue No. 1, 2,3 & 4
260 _bBSNL
_c2005
650 _aWireless communication
999 _c193615
_d193615