NIEŚCIORUK, Kamil. Cartographic source materials and cartographic method of research in the past environment analyses. Bulletin of Geography. Socio-economic Series, [S. l.], n. 22, p. 81–95, 2013. DOI: 10.1515/bog-2013-0033. Disponível em: https://apcz.umk.pl/BGSS/article/view/bog-2013-0033. Acesso em: 3 feb. 2025.