LI, H. H. Isolation of fine grains by dilute aqua regia. Ancient TL, [S. l.], v. 5, n. 1, p. 9, 1981. DOI: 10.26034/la.atl.1981.044. Disponível em: https://www.ancienttl.org/article/view/6306. Acesso em: 1 may. 2025.