{"id":"000995531","type":"book","title":"Birka and the beginning of the Viking Age","publisher":"Wachholtz","publisher-place":"Neumünster","pages":"33-38","container-title":"Studien zur Archäologie des Ostseeraumes. Von der Eisenzeit zum Mittelalter. Festschrift für Michael Müller-Wille","author":[{"family":"Ambrosiani","given":"Björn."}],"issued":{"raw":"1998"}}