Nutman, A., Bridgwater, D., Dimroth, E., Gill, R. and Rosing, M. (1983) “Early (3700 Ma) Archaean rocks of the Isua supracrustal belt and adjacent gneisses”, Rapport Grønlands Geologiske Undersøgelse. Copenhagen, Denmark, 112, pp. 5–22. doi: 10.34194/rapggu.v112.7809.