KALSBEEK, F.; JEPSEN, H. Preliminary Rb-Sr isotope evidence on the age and metamorphic history of the North Greenland crystalline basement. Rapport Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 99, p. 107–110, 1980. DOI: 10.34194/rapggu.v99.7677. Disponível em: https://geusjournals.org/index.php/rapggu/article/view/7677. Acesso em: 3 jul. 2024.