Olsen, Olaf. “Means of Exchange. Dealing With Silver in the Viking Age. Ed.: Dagfinn Skre. (Kaupang Excavation Project Publication Series Volume 2 Norske Oldfunn 23). Aarhus University Press, 2008”. Historisk Tidsskrift 111, no. 1 (marts 6, 2013). Set december 5, 2025. https://tidsskrift.dk/historisktidsskrift/article/view/56505.