Alsen, P., J. . Hovikoski, and K. Svennevig. “Middle Jurassic Sandstone Deposition in the Wandel Sea Basin: Evidence from Cardioceratid and Kosmoceratid Ammonites in the Mågensfjeld Formation in Kilen, North Greenland”. GEUS Bulletin, vol. 44, Dec. 2020, doi:10.34194/geusb.v44.5342.