000 00291nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aGeorge Kannedy
245 _aElectronic communication system
260 _bDelhi:TMH
_c2001
300 _a763p.
650 _aElectronics
999 _c4357
_d4357