BÜRGI, A.; FLISCH, M. Cosmic ray dose rate determination using a portable gamma-ray spectrometer. Ancient TL, [S. l.], v. 9, n. 1, p. 1–5, 1991. DOI: 10.26034/la.atl.1991.170. Disponível em: https://www.ancienttl.org/article/view/6434. Acesso em: 1 may. 2025.