I. Hildebrandt-Radke, “Use of the lithological method in verifying results of non-invasive surveys of the Bronze Age barrow mounds on the Silesia and Wielkopolska borderland (Krotoszyn Forest, Wielkopolska): https://doi.org/10.26485/AGL/2018/107/5”, AGL, vol. 107, pp. 73–92, Dec. 2018.