SPOONER, N. A.; QUESTIAUX, D. G.; AITKEN, M. J. The use of sodium lamps for low-intensity laboratory safelighting for optical dating. Ancient TL, [S. l.], v. 18, n. 2, p. 45–49, 2000. DOI: 10.26034/la.atl.2000.321. Disponível em: https://www.ancienttl.org/article/view/6585. Acesso em: 2 may. 2025.