{"id":"001224681","type":"book","title":"Mstislavl'skij detinec v 12-14 vekach. Mstislavl's fortress in the 12th-14th centuries","pages":"60-76","container-title":"Rossijskaja Archeologija, 1995,3 (1995","author":[{"family":"Alekseev","given":"Leonid Vasil'evič."}],"issued":{"raw":"1995"}}