PEEL, J. Studying the early history of life in Greenland. Rapport Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 148, p. 54–56, 1990. DOI: 10.34194/rapggu.v148.8121. Disponível em: https://geusjournals.org/index.php/rapggu/article/view/8121. Acesso em: 14 may. 2024.