Podciborski, Tomasz, and Jacek Kil. “Spatial Order of Peripheral Areas in Aspects of Partition”. Regional Barometer. Analyses & Prognoses, no. 3 (25) (November 9, 2011): 79–84. Accessed November 22, 2024. https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/1323.