Bohse, H, L.M Larsen, J Rose-Hansen, C.O Nielsen, and H Sørensen. 1975. “Current Research on the Ilfmassaq Alkaline intrusion, South Greenland”. Rapport Grønlands Geologiske Undersøgelse 75 (December). Copenhagen, Denmark:81-83. https://doi.org/10.34194/rapggu.v75.7455.