Czyryca, Paweł, and Mariusz Samołyk. “The Surface Water Quality Ecotoxicological Assessment of Wolin Island”. Journal of Education, Health and Sport 7, no. 4 (March 30, 2017): 258–268. Accessed April 18, 2024. https://apcz.umk.pl/JEHS/article/view/4357.