OPIOŁA-CEGIEŁKA, M. Letters to Editors. Kwartalnik Historii Kultury Materialnej, [S. l.], v. 63, n. 4, p. 698–701, 2015. Disponível em: https://journals.iaepan.pl/khkm/article/view/885. Acesso em: 17 may. 2024.