BJERRESKOV, M. Silurian graptolites from Washington Land, western North Greenland. Bulletin Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 142, p. 1–58, 1981. DOI: 10.34194/bullggu.v142.6684. Disponível em: https://geusjournals.org/index.php/bullggu/article/view/6684. Acesso em: 3 jul. 2024.