000 00305nam a2200121Ia 4500
008 220901s9999||||xx |||||||||||||| ||und||
082 _a621.3822 BSN
100 _aBSNL
245 0 _aTelecommunications
250 _aVol. 58 Issue No. 3,4,5 & 6
260 _bBSNL
_c2008
650 _aWireless communication
999 _c193620
_d193620