Nutman, A. P. ., and F. . Kalsbeek. “SHRIMP U-Pb Zircon Ages for Archaean Granitoid Rocks, Ataa Area, North-East Disko Bugt, West Greenland”. Geology of Greenland Survey Bulletin, vol. 181, July 1999, pp. 49-54, doi:10.34194/ggub.v181.5111.