{"id":"001023421","type":"book","title":"Walter Janssen","publisher":"Centre de Recherches Archéologiques et Historiques Médiévales (CRAHM)","publisher-place":"Caen","pages":"7-8","container-title":"Château Gaillard. 20. Études de castellologie médiévale. Actes du Colloque International de Gwatt (Suisse), 2-10 septembre 2000","author":[{"family":"Meyer","given":"Werner"}],"issued":{"raw":"2002"}}