Kalicki, Tomasz, Aleksander F. Sanko, and Yury Yu. Trifonov. “Types of Underfit Stream Valleys on the Territory of Belarus”. Journal of the Belarusian State University. Geography and Geology, no. 2 (November 25, 2019): 108–120. Accessed July 18, 2026. https://journals.bsu.by/index.php/geography/article/view/1130.