{"id":"001174358","type":"book","title":"Die Baugeschichte der Burg und Festung Sparrenberg. Ein Diskussionsbeitrag","pages":"1-14","container-title":"Ravensberger Blätter, 1994,1-2 (1994","author":[{"family":"Zutz","given":"Heinz-Dieter"}],"issued":{"raw":"1994"}}