000			00323nam a2200133Ia 4500
999			_c45707 _d45707
008			190719s9999 xx 000 0 und d
082			_a621.3841 M322
100			_aMarcus, Abraham.
100			_aMarcus, William.
245		0	_aElements of Radio
260			_aLondon _bAllen & Unwin _c1960
300			_a22X14
942			_cBK