Pedersen, S., and D. Bridgwater. “Isotopic Re-Equilibration of Rb-Sr Whole Rock Systems During Reworking of Archaean Gneisses in the Nagssugtoqidian Mobile Belt, East Greenland”. Rapport Grønlands Geologiske Undersøgelse, vol. 89, Dec. 1979, pp. 133-46, doi:10.34194/rapggu.v89.7576.