MARTINI, M.; SMITH, B. W.; PRESCOTT, J. R. A method for the determination of TH-U concentration ratio. Ancient TL, [S. l.], v. 5, n. 1, p. 4–8, 1981. DOI: 10.26034/la.atl.1981.043. Disponível em: https://www.ancienttl.org/article/view/6305. Acesso em: 1 may. 2025.