“ANALYSIS OF WATER REGIME RIVERS BASIN BORDER AREAS OF THE RIVER DESNA”. Visnyk of V. N. Karazin Kharkiv National University. Series Еcоlogy, no. 1104 (January 28, 2015): 94–98. Accessed November 14, 2026. https://periodicals.karazin.ua/ecology/article/view/1095.