Rex, D., Gledhill, A., Bridgwater, D. and Myers, J. 1979. A Rb-Sr whole rock age of 55±7 m.y. from the Nualik plutonic centre, East Greenland. Rapport Grønlands Geologiske Undersøgelse. 95, (Dec. 1979), 102–105. DOI:https://doi.org/10.34194/rapggu.v95.7660.