{"id":"001263350","type":"book","title":"The early history of the fortress of Käkisalmi, Russian Karelia, as evidenced by new dendrochronological dating results","pages":"215-220","container-title":"Fennoscandia Archaeologica, 12 (1995","author":[{"family":"Zetterberg","given":"Pentti"}],"issued":{"raw":"1995"}}