“Rb/Sr/Whole/Rock/Isochron/Age/Determinations/on/Metamorphosed/Acid/Volcanic/Rocks/and/Granitic/Gneisses/from/the/Ketilidian/Mobile/Belt,/South-East/Greenland”. Rapport Grønlands Geologiske Undersøgelse, vol. 66, Dec. 1974, pp. 12-20, https://doi.org/10.34194/rapggu.v66.7398.