Sørensen, H. (2001), Brief introduction to the geology of the Ilímaussaq alkaline complex, South Greenland, and its exploration history (PDF), GEOLOGY OF GREENLAND SURVEY BULLETIN, vol. 190, archived from the original (PDF) on 2017-08-10 https://web.archive.org/web/20170810171529/http://www.geus.dk/publications/bull-gl/nr190/nr190_p001-023.pdf
http://www.mindat.org/loc-4302.html Mindat locality. http://www.mindat.org/loc-4302.html
Sørensen, H. (2001), Brief introduction to the geology of the Ilímaussaq alkaline complex, South Greenland, and its exploration history (PDF), GEOLOGY OF GREENLAND SURVEY BULLETIN, vol. 190, archived from the original (PDF) on 2017-08-10 https://web.archive.org/web/20170810171529/http://www.geus.dk/publications/bull-gl/nr190/nr190_p001-023.pdf