{"id":"001211411","type":"book","title":"Zur Münzprägung der welfischen Lehensgrafen von Wölpe","pages":"185-199","container-title":"Jahrbuch für Numismatik und Geldgeschichte, 48/49 (1998/99","author":[{"family":"Büttner","given":"Detlev"}],"issued":{"raw":"1998"}}