000 00289nam a2200121Ia 4500
008 220201s1959 xx 000 0 eng d
082 _a621.384
_bRAP
100 _aRapson, Eta
245 0 _aExperimental radio engineering
260 _aLondon
_bPitman
_c1959
300 _a697
942 _2ddc
999 _c12125
_d12125