Stemmerik, Lars, Finn Surlyk, Kurt Klitten, Susanne L Rasmussen, and Niels Schovsbo. “Shallow Core Drilling of the Upper Cretaceous Chalk at Stevns Klint, Denmark”. GEUS Bulletin 10 (November 29, 2006): 13–16. Accessed November 22, 2024. https://geusbulletin.org/index.php/geusb/article/view/4880.