{"id":"001065436","type":"book","title":"The fortifications of Viking Age Ribe","publisher":"Wachholtz","publisher-place":"Neumünster","pages":"71-85","container-title":"Ringwälle und verwandte Strukturen des ersten Jahrtausends n. Chr. Internationales Symposium. Utersum auf Föhr 29. September - 1. Oktober 2005","author":[{"family":"Feveile","given":"Claus"}],"issued":{"raw":"2009"}}