{"id":"000985397","type":"book","title":"Otto IV","publisher":"Hirmer","publisher-place":"München","pages":"355-367","container-title":"Heinrich der Löwe und seine Zeit : Herrschaft und Repräsentation der Welfen 1125-1235. 2. Essays","author":[{"family":"Hucker","given":"Bernd Ulrich."}],"issued":{"raw":"1995"}}