Pipia, Mikheil G., et al. “Variability in the Number of Days With Hail in the Warm Half of the Year in Bolnisi and Tsalka in 1941-2021 and Their Expected Change until 2045”. Journals of Georgian Geophysical Society, vol. 27, no. N1, Aug. 2024, https://ggs.openjournals.ge/index.php/GGS/article/view/7984.