MARTI, Roland. Germany, Poland and Lusatian Sorbs: a bilateral triangle. Postscriptum Polonistyczne, [S. l.], v. 23, n. 1, p. 201–212, 2020. Disponível em: https://journals.us.edu.pl/index.php/PPol/article/view/9787. Acesso em: 15 nov. 2026.