SKOWRON, Rajmund. Water temperature in the lakes of Northern Poland during the bathing season. Bulletin of Geography. Physical Geography Series, [S. l.], n. 15, p. 75–90, 2018. DOI: 10.2478/bgeo-2018-0017. Disponível em: https://apcz.umk.pl/BOGPGS/article/view/15726. Acesso em: 21 jan. 2025.