KOPPELHUS, E. B. .; HANSEN, C. F. . Palynostratigraphy and palaeoenvironment of the Middle Jurassic Sortehat Formation (Neill Klinter Group), Jameson Land, East Greenland. GEUS Bulletin, Copenhagen, Denmark, v. 1, p. 777–811, 2003. DOI: 10.34194/geusb.v1.4689. Disponível em: https://geusbulletin.org/index.php/geusb/article/view/4689. Acesso em: 9 aug. 2022.