{"id":"001521504","type":"article","title":"Non-Destructive Investigations of Three Medieval Fortifications at Hald, Southwest of Viborg in Denmark","publisher":"Publications du Craham Presses universitaires de Caen","publisher-place":"Caen","pages":"195-198","container-title":"Château et commerce","author":[{"family":"Hjermind","given":"Jesper."}],"issued":{"raw":"2016"}}