(1)
Sobolev, V. S.; Bazarova, T. Y.; Shugurova, N. A.; Bazarov, L. S.; Dolgov, Y. A.; Sørensen, H. A Preliminary Examination of Fluid Inclusions in Nepheline, Sorensenite, Tugtupite and Chkallovite from the Ilímaussaq Alkaline Intrusion. Meddr Grønland 1970, 181, 41 pp..