1.
Andreeva O, Malashchuk V. Results of 20-year solar observations in the He I λ 1083 nm line at the Crimean Astrophysical Observatory. Acta Astrophys. Tau. [Internet]. 2024 Jun. 23 [cited 2024 Sep. 16];5(2):21-4. Available from: https://astrophysicatauricum.org/index.php/aat/article/view/82