Koppelhus, Eva B., and Carina F. Hansen. “Palynostratigraphy and Palaeoenvironment of the Middle Jurassic Sortehat Formation (Neill Klinter Group), Jameson Land, East Greenland”. GEUS Bulletin 1 (October 28, 2003): 777–811. Accessed April 24, 2024. https://geusbulletin.org/index.php/geusb/article/view/4689.