{"id":"001209189","type":"book","title":"Stability and change. Stratigraphy in early medieval Sigtuna. Methods and preliminary results","publisher":"Hikuin","publisher-place":"Moesgård","pages":"79-90","container-title":"Hikuin, 25 (1998","author":[{"family":"Petterson","given":"Björn"}],"issued":{"raw":"1998"}}