Pedersen, S, and D Bridgwater. 1979. “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 89 (December). Copenhagen, Denmark:133-46. https://doi.org/10.34194/rapggu.v89.7576.