00767naa#a2200169#i#450# EN\\bibl\69542 20240728062353.7 2587-9936 20230626b2023####ek#y0engy0150####ca RU Lee de Forest’s Sale of Audion Rights to AT&T and Its Importance for the Development of Radio Technics Journal article Sevastopol Federal State Educational Institution of Higher Education Sevastopol State University 2023 38 с. Journal article local Радиотехника. Техника электромагнитных колебаний. 621.37 Электросвязь. Техника электросвязи. 621.39 Pestrikov Viktor Mihaylovich rusjbpc.ru