{"id":"001030942","type":"book","title":"Les fortifications du 11e siècle entre Lesse et Semois","publisher":"Thorbecke","publisher-place":"Sigmaringen","pages":"225-280","container-title":"Burgen der Salierzeit : 1. In den nördlichen Landschaften des Reiches","author":[{"family":"Matthys","given":"André"}],"issued":{"raw":"1991"}}