Petersen, H. I. ., Nielsen, L. H. ., Koppelhus, E. B. ., & Sørensen, H. S. . (2003). Early and Middle Jurassic mires of Bornholm and the Fennoscandian Border Zone: a comparison of depositional environments and vegetation. GEUS Bulletin, 1, 631–656. https://doi.org/10.34194/geusb.v1.4687