Escher, J.C, and O Stecher. 1980. “Field Work on Precambrian Granites and Metasediments in the Søndre Upernavik – Kuvdlorssuaq Region (72°00’–74°40’N), Northern West Greenland”. Rapport Grønlands Geologiske Undersøgelse 100 (December). Copenhagen, Denmark:38-41. https://doi.org/10.34194/rapggu.v100.7692.