Alsen, Peter, and Finn Surlyk. “Maximum Middle Jurassic Transgression in East Greenland: Evidence from New Ammonite Finds, Bjørnedal, Traill Ø”. GEUS Bulletin 5 (November 1, 2004): 31–49. Accessed November 22, 2024. https://geusbulletin.org/index.php/geusb/article/view/4806.