00783naa#a2200193#i#450# EN\INFRA-M\bibl\81101 20251206120235.6 2712-9640 20240929b2024####ek#y0engy0150####ca RU Observation at radio frequencies of the hydroxyl (OH) absorption line in filaments and prominences above active regions of the Sun Journal article Moscow INFRA-M Academic Publishing LLC. 2024 5 с. Journal article local Астрономия. Астрофизика. Исследование космического пространства. Геодезия. 52 Ovchinnikova Nina Evgenevna Bogod V. M. Lebedev Mikhail Konstantinovich zh-szf.ru