{"id":"001008978","type":"book","title":"Radiocarbon dating of birch bark pitches in typical Comb Ware in Finland","publisher":"The Finnish Antiquarian Society","publisher-place":"Helsinki","pages":"191-199","container-title":"Dig it all. Papers dedicated to Ari Siiriäinen","author":[{"family":"Pesonen","given":"Petro"}],"issued":{"raw":"1999"}}