SANDERSON, D. C. W. A modified alpha counting system. Ancient TL, [S. l.], v. 3, n. 4, p. 10–12, 1979. DOI: 10.26034/la.atl.1979.028. Disponível em: https://www.ancienttl.org/article/view/6290. Acesso em: 1 may. 2025.