Bernstein, S., and C. Knudsen. “Epithermal Gold and Massive Sulphide Mineralisation in Oil Impregnated Palaeogene Volcanic Rocks of Ubekendt Ejland, West Greenland”. GEUS Bulletin, vol. 4, July 2004, pp. 77-80, doi:10.34194/geusb.v4.4790.