ŻAK, Jan. Industry in the Prehistory of Poland. Studia Historiae Oeconomicae, [S. l.], v. 8, n. 1, p. 213–258, 1973. DOI: 10.14746/sho.1973.08.1.011. Disponível em: https://pressto.amu.edu.pl/index.php/sho/article/view/57720. Acesso em: 5 nov. 2026.