HEER, O. 3. Oversigt over Grønlands fossile Flora. . Meddelelser om Grønland, [S. l.], v. 5, p. 79–202, 1883. DOI: 10.7146/mog.v5.139538. Disponível em: https://tidsskrift.dk/meddrgroenland/article/view/139538. Acesso em: 24 nov. 2024.