000 00383nam a2200157 4500
008 190926b ||||| |||| 00| 0 eng d
082 _aR 621.384
_bGON
100 _aGonorovskiÄ­, I. S.
245 _aradio circuits and signals
300 _a639P.
650 _aradio circuits
650 _aradio signals
650 _aRadio waves
690 _aELECTRICAL
942 _cREF
_2ddc
999 _c66712
_d66712