{"id":"001191556","type":"book","title":"Reflections of slash-and-burn cultivation cycles in a varved sediment of Lake Pitkälampi (North Karelia, Finland)","pages":"43-48","container-title":"Laborativ Arkeologi, 6 (1992","author":[{"family":"Grönlund","given":"Elisabeth"}],"issued":{"raw":"1992"}}