Jezierska-Thöle, Aleksandra, and Jörg Janzen. “Demographic and Agricultural Changes in the Rural Areas of the Polish-German Borderland Region”. Acta Scientiarum Polonorum Administratio Locorum 11, no. 3 (May 30, 2019). Accessed May 9, 2024. https://czasopisma.uwm.edu.pl/index.php/aspal/article/view/4284.