SzelepcsényiZ., BreuerH., and FodorN. “Estimating Relative Sunshine Duration from Commonly Available Meteorological Variables for Simulating Biome Distribution in the Carpathian Region”. Hungarian Geographical Bulletin, Vol. 71, no. 1, Mar. 2022, pp. 3-19, doi:10.15201/hungeobull.71.1.1.