Klieshch, A. A., & Maksymenko, N. V. (2019). Transformation of the Watershed Basin of Udy River Within Kharkiv. Visnyk of V. N. Karazin Kharkiv National University Series «Еcоlogy», (21), 6-22. https://doi.org/10.26565/1992-4259-2019-21-01