000 00291nam a2200121Ia 4500
999 _c16777
_d16777
008 190711s9999 xx 000 0 und d
082 _a621.384 G635
100 _aUtkin, N
245 0 _aRadio Circuits and Signals
260 _aMoscow
_bMIR Publishers
_c1974
300 _a22X15
942 _cBK