DELAGNES, A.; WADLEY, L.; VILLA, P.; LOMBARD, M. Crystal quartz backed tools from the Howiesons Poort at Sibudu Cave. Southern African Humanities, [S. l.], v. 18, n. 1, p. 43–56, 2021. Disponível em: https://sahumanities.org/index.php/sah/article/view/273. Acesso em: 5 aug. 2021.