Smith, M. P. ., A. . Higgins, N. . Soper, and M. . Sønderholm. “The Neoproterozoic Rivieradal Group of Kronprins Christian Land, Eastern North Greenland”. GEUS Bulletin, vol. 6, Dec. 2004, pp. 29-39, doi:10.34194/geusb.v6.4816.