{"id":"001030940","type":"book","title":"Salierzeitliche Burganlagen im nördlichen Rheinland","publisher":"Thorbecke","publisher-place":"Sigmaringen","pages":"177-194","container-title":"Burgen der Salierzeit : 1. In den nördlichen Landschaften des Reiches","author":[{"family":"Friedrich","given":"Reinhard"}],"issued":{"raw":"1991"}}