Koppelhus, E. B.; Dam, G. Palynostratigraphy and Palaeoenvironments of the Rævekløft, Gule Horn and Ostreaelv Formations (Lower–Middle Jurassic), Neill Klinter Group, Jameson Land, East Greenland. GEUS Bulletin 2003, 1, 723-775. https://doi.org/10.34194/geusb.v1.4688.