{"id":"001287605","type":"book","title":"Medieval Brooches from the Dutch province of Friesland (Frisia): a regional perspective on the Wijnaldum Brooches. Part 2: Disc Brooches","pages":"709-793","container-title":"Palaeohistoria, 49/50 (2007/08","author":[{"family":"Bos","given":"J. M."}],"issued":{"raw":"2007"}}