{"id":"001272201","type":"book","title":"Medieval brooches from the Dutch province of Friesland (Frisia): a regional perspective on the Wijnaldum brooches. General introduction","pages":"447-454","container-title":"Palaeohistoria, 47/48 (2005/06","author":[{"family":"Bos","given":"J. M."}],"issued":{"raw":"2005"}}