MARTÍN VISO (ED.), Iñaki. The collapse of the early medieval European kingdoms (8th-9th centuries). Reti Medievali Rivista, [S. l.], v. 17, n. 2, p. 183–381, 2016. DOI: 10.6092/1593-2214/529. Disponível em: https://serena.sharepress.it/index.php/rm/article/view/5000. Acesso em: 21 apr. 2025.