KOLLINGER, K. Prolegomena do studiów nad gramotami brzozowymi. Archeologia Polski, [S. l.], v. 65, p. 189–214, 2020. DOI: 10.23858/APol65.2020.005. Disponível em: https://journals.iaepan.pl/apol/article/view/2435. Acesso em: 24 lis. 2024.