Zatula, V., Kyhtenko, Y., Oliinyk, R., & Snizhko, S. (2021). Evaluation of atmosphere clearness and cloudiness parameters in the southern regions of Ukraine using statistical analysis. Visnyk of V. N. Karazin Kharkiv National University, Series "Geology. Geography. Ecology", (55), 159-173. https://doi.org/10.26565/2410-7360-2021-55-12