FILIPOWICZ, Mirosław; HAMRYSZCZAK, Artur. Listy do redakcji. Studia Geohistorica, [S. l.], n. 3, p. 292–293, 2017. DOI: 10.12775/20191. Disponível em: https://apcz.umk.pl/AZMDDP/article/view/20191. Acesso em: 8 lip. 2025.