00715naa#a2200205#i#450# EN\INFRA-M\bibl\81102 20260316095700.1 2500-0535 20240929b2024####ek#y0engy0150####ca ENG 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 6 с. Journal article local Астрономия. Геодезия. 52 ENG Ovchinnikova Nina Evgenevna Bogod V. M. Lebedev Mikhail Konstantinovich iszf.editorum.ru