Search for: [References = "10. Górecka S., Tomczak P., 2008, Demographic development of Lower Silesia with particular focus on the Polish\-Czech and Polish\-German borderland, \[w\:\] M. Sasek \(red.\), Social and economic development and regional politics, Faculty of Social and Economic Studies, Jan Evangelista Purkyne University, Usti nad Labem."]