Cebrykow, P., M. Krukowski, M. Meksuła, and A. Zarański. “Changes in Administrative Borders and Their Stability in Lubelskie Region in 1949–2010”. Regional Barometer. Analyses & Prognoses, vol. 11, no. 2, Aug. 2013, pp. 51-63, doi:10.56583/br.1129.