Maślanka, Józef. “Restoration of Boundary Markers and the Determination of Boundary Points ‑ Proposed Amendments to the Laws of Poland”. Geomatics and Environmental Engineering 14, no. 1 (March 13, 2020): 87–98. Accessed August 16, 2025. https://www.gaee.agh.edu.pl/gaee/article/view/81.