SKRUŽNÝ, L. Professors Hermenegild and Karel Škorpilová working in Bulgaria Part 2. Theatrum historiae, [S. l.], n. 6, p. 101–124, 2010. Disponível em: https://theatrum.upce.cz/index.php/theatrum/article/view/1832. Acesso em: 27 apr. 2024.