{"id":"001197723","type":"book","title":"History of sedentary farming in Ångermanland, northern Sweden, during the Iron Age and medieval period based on pollen analytical investigations","pages":"301-312","container-title":"Vegetation History and Archaeobotany, 5,4 (1996","author":[{"family":"Wallin","given":"Jan-Erik"}],"issued":{"raw":"1996"}}