Szeliga, M., Przeździecki, M. and Grabarek, A. 2019. Podlesie, Site 6 – the First Obsidian Inventory of the Linear Pottery Culture Communities from the Połaniec Basin. Archaeologia Polona. 57, (Dec. 2019), 197–211. DOI:https://doi.org/10.23858/APa57.2019.014.