Petersen, H.I. , Nielsen, L.H. , Koppelhus, E.B. and 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, (Oct. 2003), 631–656. DOI:https://doi.org/10.34194/geusb.v1.4687.