FRANDSEN, Lene B.; JENSEN, Stig; CRABB, Peter. Hvor lå Ribe i Vikingetiden?. Kuml, [S. l.], v. 34, n. 34, p. 21–36, 1986. DOI: 10.7146/kuml.v34i34.109806. Disponível em: https://tidsskrift.dk/kuml/article/view/109806. Acesso em: 5 dec. 2025.