The Historical Landscape between Portugal and Castile at the End of the Middle Ages on the Riverbanks of the Douro: GIS Applied to Demarcações de Fronteira . Edad Media. Revista de Historia, [S. l.], n. 25, p. 421–457, 2024. DOI: 10.24197/em.25.2024.421-457. Disponível em: https://revistas.uva.es/index.php/edadmedia/article/view/6703. Acesso em: 24 nov. 2025.