000 00303nam a2200121Ia 4500
008 220901s9999||||xx |||||||||||||| ||und||
082 _a621.381 BSN
100 _aBSNL
245 0 _aTelecommunications
250 _aVol. 56 Issue No. 4, 5 & 6
260 _bBSNL
_c2006
650 _aWireless communication
999 _c193617
_d193617