Japsen, Peter, Peter Britze, and Claus Andersen. “Upper Jurassic – Lower Cretaceous of the Danish Central Graben: Structural Framework and Nomenclature”. GEUS Bulletin 1 (October 28, 2003): 231–246. Accessed April 19, 2024. https://geusbulletin.org/index.php/geusb/article/view/4653.