Rex, D., Gledhill, A. and Higgins, A. 1977. Precambrian Rb-Sr isochron ages from the crystalline complexes of inner Forsblads Fjord, East Greenland fold belt. Rapport Grønlands Geologiske Undersøgelse. 85, (Dec. 1977), 122–126. DOI:https://doi.org/10.34194/rapggu.v85.7544.