%0 Journal Article %T Observation at radio frequencies of the hydroxyl (OH) absorption line in filaments and prominences above active regions of the Sun %A Ovchinnikova, N.E. %A Bogod, V.M. %A Lebedev, M.K. %K Sun, coronal structures, absorption lines, hydroxyl %J Solar-Terrestrial Physics %D 2024 %N 10 %P 6 %I Institute of Solar-Terrestrial Physics SB RAS