{"id":"000995579","type":"book","title":"Archaeological sources for the presence of Frisian agents of trade in Northern Europe ca","publisher":"Wachholtz","publisher-place":"Neumünster","pages":"469-481","container-title":"Studien zur Archäologie des Ostseeraumes. Von der Eisenzeit zum Mittelalter. Festschrift für Michael Müller-Wille","author":[{"family":"Callmer","given":"Johan 1945-"}],"issued":{"raw":"1998"}}