00557naa#a2200181#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200005700102210010800159215001100267608002700278675003000305700002500335856001500360EN\\bibl\5292720250108085930.3##a2587-9936##a20210325b2021####ek#y0engy0150####ca0#aRUS##aRU1#aThe genesis of Lee de Forest audioneJournal article1#aSevastopolcFederal State Educational Institution of Higher Education Sevastopol State Universityd2021##a37 с.##aJournal article2local##a. 621.37-621.39(091)zRUS#1aPestrikovgViktor M 4#arusjbpc.ru