{"id":"001223448","type":"book","title":"Agricultural development and early urbanisation in the light of environmental changes in Curonia 600-1200 A.D. Presentation of a research project","pages":"249-252","container-title":"Fornvännen, 90,1 (1995","author":[{"family":"Šinkunas","given":"Petras"}],"issued":{"raw":"1995"}}