{"id":"000997373","type":"book","title":"Northern Timber Castle, short-lived but complex","publisher":"Centre de Recherche Archéologique Médiévales","publisher-place":"Caen","pages":"135-148","container-title":"Château Gaillard. 18. Études de castellologie médiévale. Actes du Colloque International tenu à Gilleleje (Danemark), 24-30 août 1996","author":[{"family":"Mogren","given":"Mats"}],"issued":{"raw":"1998"}}