POULSEN, Christian. Contribution to the palaeontology of the Lower Cambrian Wulff River Formation. Meddelelser om Grønland, [S. l.], v. 162, n. 2, p. 1–25, 1958. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/161171. Acesso em: 29 dec. 2025.