OLLERHEAD, J. Light transmittance through dry, sieved sand: some test results. Ancient TL, [S. l.], v. 19, n. 1, p. 13–17, 2001. DOI: 10.26034/la.atl.2001.328. Disponível em: https://www.ancienttl.org/article/view/6592. Acesso em: 2 may. 2025.