SŁOŃ, M. Komunikaty i sprawozdania. Studia Geohistorica, [S. l.], n. 7, p. 281–291, 2020. DOI: 10.12775/29268. Disponível em: https://apcz.umk.pl/AZMDDP/article/view/29268. Acesso em: 3 lip. 2024.