Hickman, M. “A Rb-Sr Age and Isotope Study of the Ikertôq, Nordre Strømfjord, and Evighedsfjord Shear Belts, West Greenland - Outline and Preliminary Results”. Rapport Grønlands Geologiske Undersøgelse, vol. 89, Dec. 1979, pp. 125-8, doi:10.34194/rapggu.v89.7574.