Kopacz M, Kowalczyk A, Smoroń S, Rychtarczyk M. The influence of structural and functional changes on N-P-K input of agricultural origin and surface water quality in the upper Dunajec River basin in the years 1980–2010. geol [Internet]. 2018Aug.7 [cited 2024May6];44(3):295. Available from: https://journals.agh.edu.pl/geol/article/view/2722