000			00342nam a2200157Ia 4500
008			170101s1965 xx 000 0 und d
082			_a621.384 1 H51E
100			_aHELLMAN, Charles I.
245		0	_aElements of radio
250			_a3rd.ed.
260			_c1965
300			_a354p
650			_aRADIO
653			_aRADIO
942			_2ddc _cB
999			_c20283 _d20283