KOTOV, V. Crimean observations of the magnetic Sun: 1967–2018. Acta Astrophysica Taurica, [S. l.], v. 1, n. 2, p. 6–12, 2020. DOI: 10.31059/aat.vol1.iss2.pp6-12. Disponível em: https://astrophysicatauricum.org/index.php/aat/article/view/15. Acesso em: 25 apr. 2024.