Kokfelt, Thomas F., Tomas Næraa, Kristine Thrane, and Leon Bagas. “New Zircon U-Pb and Hf Isotopic Constraints on the Crustal Evolution of the Skjoldungen Region, South-East Greenland”. GEUS Bulletin 35 (July 15, 2016): 55–58. Accessed May 25, 2022. https://geusbulletin.org/index.php/geusb/article/view/4927.