FRANDSEN, N.; SHEKHAR, S. Coal in West Greenland. Rapport Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 100, p. 49–51, 1980. DOI: 10.34194/rapggu.v100.7695. Disponível em: https://geusjournals.org/index.php/rapggu/article/view/7695. Acesso em: 3 jul. 2024.