{"id":"001001913","type":"book","title":"Aspects of coastal defence in Denmark","publisher":"The Viking Ship Museum, Roskilde","publisher-place":"Roskilde","pages":"83-96","container-title":"Aspects of maritime Scandinavia AD 200-1200. Proceedings of the Nordic Seminar on Maritime Aspects of Archaeology, Roskilde, 13th-15th march, 1989","author":[{"family":"Rieck","given":"Flemming"}],"issued":{"raw":"1991"}}