Escher, A. and Pulvertaft, T. 1968. The Precambrian rocks of the Upernavik-Kraulshavn area (72°-74°15’N), West Greenland. Rapport Grønlands Geologiske Undersøgelse. 15, (Jan. 1968), 11–14. DOI:https://doi.org/10.34194/rapggu.v15.7164.