KUBIACZYK, Filip. Nieznana twarz Kolumba. Studia Europaea Gnesnensia, [S. l.], n. 3, p. 286–295, 2011. DOI: 10.14746/seg.2011.3.22. Disponível em: https://pressto.amu.edu.pl/index.php/seg/article/view/2749. Acesso em: 20 sty. 2026.