Szelepcsényi, Zoltán, Hajnalka Breuer, and Nándor Fodor. “Estimating Relative Sunshine Duration from Commonly Available Meteorological Variables for Simulating Biome Distribution in the Carpathian Region”. Hungarian Geographical Bulletin 71, no. 1 (March 27, 2022): 3-19. Accessed April 3, 2025. https://ojs3.mtak.hu/index.php/hungeobull/article/view/7650.