Olsen, O. (2013). 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(1), 260–267. https://doi.org/10.7146/ht.v111i1.56505