Johannessen, Peter N., Lars Henrik Nielsen, Lars Nielsen, Ingelise Møller, Morten Pejrup, Thorbjørn J. Andersen, Joakim Korshøj, Birger Larsen, and Stefan Piasecki. “Sedimentary Facies and Architecture of the Holocene to Recent Rømø Barrier Island in the Danish Wadden Sea”. GEUS Bulletin 15 (July 10, 2008): 49–52. Accessed November 30, 2021. https://geusbulletin.org/index.php/geusb/article/view/5042.