SCHØNWANDT, H. Activities within the field of mineral resources. Rapport Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 148, p. 37–40, 1990. DOI: 10.34194/rapggu.v148.8116. Disponível em: https://geusjournals.org/index.php/rapggu/article/view/8116. Acesso em: 12 may. 2024.