Precambrian organic compounds from the Ketilidian of South-West Greenland. Part III. Bulletin Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 82, p. 1–42, 1970. DOI: 10.34194/bullggu.v82.6622. Disponível em: https://geusjournals.org/index.php/bullggu/article/view/6622. Acesso em: 11 nov. 2025.