PEEL, J.; HURST, J. Late Ordovician and early Silurian stratigraphy of Washington Land, western North Greenland. Rapport Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 100, p. 18–24, 1980. DOI: 10.34194/rapggu.v100.7688. Disponível em: https://geusjournals.org/index.php/rapggu/article/view/7688. Acesso em: 3 jul. 2024.