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