{"id":"001169972","type":"book","title":"Tours romaines et médiévales de l'enceinte de Boulogne-sur-Mer","pages":"73-78","container-title":"Histoire et Archéologie du Pas-de-Calais, 13,1 (1991","author":[{"family":"Seillier","given":"Claude 1935-2009"}],"issued":{"raw":"1991"}}