{"id":"001173006","type":"book","title":"Oplit vosstanovlenija Novgorodskich berestjanych gramot. Reconstruction of birch-bark documents from Novgorod","pages":"52-57","container-title":"Rossijskaja Archeologija, 1996,3 (1996","author":[{"family":"Povetkin","given":"V. I."}],"issued":{"raw":"1996"}}