MARTÍNEZ GARCÍA, L.; VACA LORENZO, Ángel. Introducción. Studia Historica. Historia Medieval, [S. l.], v. 32, p. 19–21, 2014. Disponível em: https://revistas.usal.es/index.php/Studia_H_Historia_Medieval/article/view/12488. Acesso em: 29 sep. 2022.