Late Precambrian trace fossils from the Thule Group, western North Greenland. Rapport Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 75, p. 38–42, 1975. DOI: 10.34194/rapggu.v75.7442. Disponível em: https://geusjournals.org/index.php/rapggu/article/view/7442. Acesso em: 6 dec. 2025.