Šileika, Antanas Sigitas, Mats Wallin, and Kazimieras Gaigalis. “Assessment of Nitrogen Pollution Reduction Options in the River Nemunas (Lithuania) Using FyrisNP Model”. Journal of Environmental Engineering and Landscape Management 21, no. 2 (July 2, 2013): 141-152. Accessed November 1, 2024. https://gc.vgtu.lt/index.php/JEELM/article/view/1926.