{"id":"001262353","type":"book","title":"Instytut Slawistyki PAN obchodzi jubileusz pięćdziesięciolecia","publisher-place":"Pozna","pages":"223-227","container-title":"Slavia Antiqua, 45 (2004","author":[{"family":"Grzesik","given":"Ryszard"}],"issued":{"raw":"2004"}}