Kupryakov, Y., V. Maliutin, K. Bychkov, O. Belova, and A. Gorshkov. “Analysis of Events During the M 2.5 Flare on June 7, 2011”. Acta Astrophysica Taurica, vol. 6, no. 1, Mar. 2025, pp. 1-4, https://astrophysicatauricum.org/index.php/aat/article/view/103.