Escher, A. and Burri, M. (1967) “Stratigraphy and structural development of the Precambrian rocks in the area north-east of Disko Bugt, West Greenland”, Rapport Grønlands Geologiske Undersøgelse. Copenhagen, Denmark, 13, pp. 1–28. doi: 10.34194/rapggu.v13.7161.