Kolnik, Karmen, and Eva Konečnik Kotnik. “Professor Emeritus Dr. Borut Belec: The Importance of His Work for the Development of Maribor and Slovenian Geography”. Journal for Geography 10, no. 2 (December 31, 2015): 11–24. Accessed November 8, 2025. https://old.journals.um.si/index.php/geography/article/view/3942.