NIEWIAROWSKA-RASMUSSEN, Ewa. Biogram Marii Krysztofiak-Kaszyńskiej / Biogramm von Maria Krysztofiak-Kaszyńska. Folia Scandinavica Posnaniensia, [S. l.], v. 19, p. 11–17, 2016. Disponível em: https://pressto.amu.edu.pl/index.php/fsp/article/view/6089. Acesso em: 22 dec. 2024.