Friend, C.R.L, and A.P Nutman. 1989. “The Geology and Structural Setting of the Proterozoic Ammassalik Intrusive Complex, East Greenland”. Rapport Grønlands Geologiske Undersøgelse 146 (December). Copenhagen, Denmark:41-45. https://doi.org/10.34194/rapggu.v146.8094.