PUNDEFF, M. Documents and Materials on the History of the Bulgarian People. Südost-Forschungen, [S. l.], v. 1, n. 1, p. 474–475, 2021. Disponível em: http://bsb0sit-zepweb01.bsb.lrz.de/portal/index.php/sof/article/view/11359. Acesso em: 23 nov. 2024.