Szukana fraza: [Abstract = "As the result of the \?Vistula operation\?, certain Ukrainian families coming mostly from Lemkivshchyna settled on the terrains of Zielona Gora County. In 1963, the displaced persons from the \"Vistula operation\" constituted 10% of the county\?s population \(not including the city of Zielona Gora\)."]