{"id":"001001946","type":"book","title":"Harbours and trading places on Gotland AD 600-1000","publisher":"The Viking Ship Museum, Roskilde","publisher-place":"Roskilde","pages":"145-158","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":"Carlsson","given":"Dan"}],"issued":{"raw":"1991"}}