NADOLNY, Grzegorz. Characteristics of the navigational conditions and hydrotechnical infrastructure of the Upper Notec River. Journal of Education, Health and Sport, [S. l.], v. 6, n. 13, p. 237–246, 2016. Disponível em: https://apcz.umk.pl/JEHS/article/view/4238. Acesso em: 27 feb. 2025.