Sternak, Wojciech. “The Frontier. A Visual Reconnaissance. (Granica. Rekonesans wizualny.) 2018”. Polish Journal of Landscape Studies 2, no. 4-5 (July 31, 2019): 115–134. Accessed April 24, 2024. https://pressto.amu.edu.pl/index.php/pls/article/view/19479.