000 00310nam a22001217a 4500
020 _a9788183550208
082 _aR621.380 76
_bELE
245 _aElectronics and communication engineering
260 _aNoida
_bG.K. Publishers
_c2007
650 _aElectronics
650 _aCommunication engineering
942 _cBK
999 _c42671
_d42671