{"id":"001001982","type":"book","title":"Aerial reconnaissance and archaeology","publisher":"The Viking Ship Museum, Roskilde","publisher-place":"Roskilde","pages":"275-283","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":"Svejgaard","given":"M. F."}],"issued":{"raw":"1991"}}