{"id":"001216024","type":"book","title":"Tools of trade. Spatial interpretations of trade activities in early medieval Sigtuna","pages":"145-157","container-title":"Meddelanden från Lunds Universitets Historiska Museum, New Series, 10 (1993/94","author":[{"family":"Roslund","given":"Mats."}],"issued":{"raw":"1993"}}