000 00327nam a2200133Ia 4500
008 210901s9999 xx 000 0 eng d
082 _a621.3841 GON
100 _aGonorovsky, I,S
245 0 _aRadio Circuits and Signals
260 _bMoscow
300 _a639
650 _aRadio Radio circuits Radio waves
942 _2ddc
_cB
999 _c32100
_d32100