SUDOŁ-PROCYK, M.; KRAJCARZ, M. .; MALAK, M.; H. WERRA, D. Preliminary characterization of the prehistoric mine of chocolate flint in Poręba Dzierżna, site 24 (Wolbrom commune, Lesser Poland voivodeship). Sprawozdania Archeologiczne, [S. l.], v. 73, n. 2, 2021. DOI: 10.23858/SA/73.2021.2.2546. Disponível em: https://journals.iaepan.pl/sa/article/view/2546. Acesso em: 19 sie. 2022.