SOBKOWIAK-TABAKA, I.; WERRA, D. H.; HUGHES, R. E.; SIUDA, R. Erratic Flint from Poland: Preliminary results of petrographic and geochemical analyses. Archaeologia Polona, [S. l.], v. 54, p. 67–82, 2016. Disponível em: https://journals.iaepan.pl/apolona/article/view/430. Acesso em: 28 mar. 2024.