{"id":"000953998","type":"book","title":"Mottes castrales et sites fortifiés médiévaux du Pas-de-Calais","publisher":"Commission Départementale d'Histoire et d'Archéologie du Pas-de-Calais","publisher-place":"Arras","author":[{"family":"Perreau","given":"Francis"}],"issued":{"raw":"2005"}}