Rzepecki, Seweryn, Juliusz Twardy, and Jacek Forysiak. “LiDAR, Barrows and Aeolian Hillocks. Between Theory and Practice”. Sprawozdania Archeologiczne 67 (January 1, 2015): 101–111. Accessed April 26, 2024. https://journals.iaepan.pl/sa/article/view/1214.