KORNRUMPF, H.-J. Südosteuropa-Handbuch, Bd. VI: Bulgarien. Südost-Forschungen, [S. l.], v. 1, n. 1, p. 492–494, 2021. Disponível em: https://www.suedost-forschungen.de/portal/index.php/sof/article/view/8463. Acesso em: 19 mai. 2025.