LØVBORG, L.; HANSEN, J. Prospecting instruments used in the survey of uranium-thorium and beryllium in the Ilímaussaq intrusion, South Greenland. Rapport Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 15, p. 53–58, 1968. DOI: 10.34194/rapggu.v15.7178. Disponível em: https://geusjournals.org/index.php/rapggu/article/view/7178. Acesso em: 3 jul. 2024.