THOMASSEN, B. Evaluation of the niobium-tantalum potential of the Motzfeldt Centre, South Greenland. Rapport Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 145, p. 66–73, 1989. DOI: 10.34194/rapggu.v145.8078. Disponível em: https://geusjournals.org/index.php/rapggu/article/view/8078. Acesso em: 3 jul. 2024.