00621naa#a2200181#i#450# EN\INFRA-M\bibl\44145 20241127080548.3 2500-0535 20211220b2021####ek#y0engy0150####ca ENG RU Features of short-period variability of total electron content at high and middle latitudes Journal article Moscow INFRA-M Academic Publishing LLC. 2021 7 с. Journal article local Вспомогательные геологические науки. 550 ENG Yasyukevich Anna Sergeevna zh-szf.ru