{"id":"001052292","type":"book","title":"Die strategische Bedeutung der wichtigsten schwedischen Burgen im Mittelalter","publisher":"Instytut Archeologii i Etnologii PAN (Łódź)","publisher-place":"Łód","pages":"137-147","container-title":"Budownictwo i budowniczowie w przeszłości","author":[{"family":"Ekdahl","given":"Sven"}],"issued":{"raw":"2002"}}