“A Preliminary Examination of Fluid Inclusions in Nepheline, Sorensenite, Tugtupite and Chkalovite from the Ilímaussaq Alkaline Intrusion, South Greenland”. 1970. Bulletin Grønlands Geologiske Undersøgelse 81 (January): 1-41. https://doi.org/10.34194/bullggu.v81.6621.