Sobkowiak-Tabaka, I., Werra, D. H., Hughes, R. E. and Siuda, R. (2016) “Erratic Flint from Poland: Preliminary results of petrographic and geochemical analyses”, Archaeologia Polona, 54, pp. 67–82. Available at: https://journals.iaepan.pl/apolona/article/view/430 (Accessed: 29 March 2024).