BERGSTRÖM, J.; PEEL, J. Lower Cambrian trace fossils from northern Greenland. Rapport Grønlands Geologiske Undersøgelse, Copenhagen, Denmark, v. 137, p. 43–53, 1988. DOI: 10.34194/rapggu.v137.8013. Disponível em: https://geusjournals.org/index.php/rapggu/article/view/8013. Acesso em: 3 jul. 2024.