“Late Archaean Metamorphic Rb-Sr Isochron Ages from Basic and Ultrabasic Rocks in the Bjørnesund – Ravns Storø Region, Southern West Greenland”. Rapport Grønlands Geologiske Undersøgelse, vol. 90, Dec. 1978, pp. 135-41, https://doi.org/10.34194/rapggu.v90.7612.