Dąbrowski, Mieczysław, and Michał Marszelewski. “Discrepancies in Legal Classifications As a Hindrance to Implementing Water Policy, on the Example of Lake Wysokie”. Bulletin of Geography. Socio-economic Series, no. 52 (March 24, 2021): 59–68. Accessed March 4, 2025. https://apcz.umk.pl/BGSS/article/view/32906.