Piasecki, Stefan, Michael Larsen, Jens Therkelsen, and Henrik Vosgerau. “Jurassic Dinoflagellate Cyst Stratigraphy of Hold With Hope, North-East Greenland”. GEUS Bulletin 5 (November 1, 2004): 73–88. Accessed January 18, 2026. https://geusbulletin.org/index.php/geusb/article/view/4808.