Stemmerik, Lars, and Peter Frykman. “Stratigraphy and Sedimentology of the Zechstein Carbonates of Southern Jylland, Denmark”. Danmarks Geologiske Undersøgelse Serie A 26 (October 5, 1988): 1–32. Accessed April 27, 2024. https://geusjournals.org/index.php/seriea/article/view/7046.