MIGAL, W. Obvious non-obviousness. Bifacial sickles of striped flint. Sprawozdania Archeologiczne, [S. l.], v. 74, n. 1, p. 237–246, 2022. DOI: 10.23858/SA/74.2022.1.3028. Disponível em: https://journals.iaepan.pl/sa/article/view/3028. Acesso em: 24 feb. 2024.