GUTTESEN, R. The Northern and Western isles in the Viking world: survival, continuity and change. Ed. by Alexander Fenton and Hermann. Geografisk Tidsskrift, [S. l.], v. 85, 1985. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/44171. Acesso em: 28 mar. 2024.