Escher, A., Escher, J. and Watterson, J. (1970) “The Nagssugtoqidian boundary and the deformation of the Kângamiut dyke swarm in the Søndre Strømfjord area”, Rapport Grønlands Geologiske Undersøgelse. Copenhagen, Denmark, 28, pp. 21–23. doi: 10.34194/rapggu.v28.7226.