Kalicki, Tomasz, Aleksander F. Sanko, and Yury Yu. Trifonov. 2019. “Types of Underfit Stream Valleys on the Territory of Belarus”. Journal of the Belarusian State University. Geography and Geology, no. 2 (November): 108-20. https://doi.org/10.33581/2521-6740-2019-2-108-120.