{"id":"003035200","type":"article","title":"Eine Typologie der Gräftenburgen im Gebiet des ehemaligen Herzogtums Oldenburg und angrenzender Gebiete","publisher":"Theiss","publisher-place":"Stuttgart","pages":"187-215","container-title":"Oldenburger Jahrbuch, 122 (2022","author":[{"family":"Kinder","given":"Ulrich"}],"issued":{"raw":"2022"}}