00746naa#a2200169#i#4500001001500000005001700015011001400032100004100046102000700087200010200094210010800196215001100304608002700315675018000342700003400522856002000556EN\\bibl\5338620240523142143.4##a2587-9936##a20220928b2022####ek#y0engy0150####ca##aRU1#aChoice of Development Trend of Bell System  at the Beginning of the 20th CenturyeJournal article1#aSevastopolcFederal State Educational Institution of Higher Education Sevastopol State Universityd2022##a32 с.##aJournal article2local##aРадиотехника. Техника электромагнитных колебаний. 621.37aЭлектросвязь. Техника электросвязи. 621.39#1aPestrikovgViktor Mihaylovich4#aicrtjournal.com