SANDERSON, D. C. W. An automated beta irradiatior using a Sr-90 foil source. Ancient TL, [S. l.], v. 3, n. 3, p. 26–29, 1985. DOI: 10.26034/la.atl.1985.096. Disponível em: https://www.ancienttl.org/article/view/6361. Acesso em: 1 may. 2025.