{"id":"001263608","type":"book","title":"Die Donjons der Grafen von Sponheim in Gemünden und auf der Grevenburg","publisher-place":"Trier","pages":"177-187","container-title":"Landeskundliche Vierteljahrsblätter, 39,4 (1993","author":[{"family":"Herrmann","given":"Christofer"}],"issued":{"raw":"1993"}}