{"id":"001001614","type":"book","title":"Means of payment and the use of coins in the Viking-Age settlement of Birka in Sweden","publisher-place":"Zellik","pages":"147-153","container-title":"Exchange and trade in medieval Europe. Papers of the \"Medieval Europe Brugge 1997\" Conference. 3","author":[{"family":"Gustin","given":"Ingrid"}],"issued":{"raw":"1997"}}