00595naa#a2200181#i#450# EN\\bibl\52868 20250119144114.7 2587-9936 20190625b2019####ek#y0engy0150####ca RUS RU Emergence and history of development of radio direction finding sports in Crimea Journal article Sevastopol Federal State Educational Institution of Higher Education Sevastopol State University 2019 11 с. Journal article local . 621.396(091) RUS Puzankov Leonid A rusjbpc.ru