WACHOWSKA, M.; WACHOWSKI, K. The treasure of Środa as a source for research on medieval symbols and migrations. Archaeologia Historica Polona, [S. l.], v. 28, p. 147–173, 2020. DOI: 10.12775/AHP.2020.006. Disponível em: https://apcz.umk.pl/AHP/article/view/36627. Acesso em: 1 luty. 2023.