AITKEN, M. J. Symbols in TL and optical dating: provisional list. Ancient TL, [S. l.], v. 10, n. 1, p. 15–16, 1992. DOI: 10.26034/la.atl.1992.192. Disponível em: https://www.ancienttl.org/article/view/6456. Acesso em: 1 may. 2025.