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Semenov, E., Kazakova, M. and Bukin, V. 1968. Ilimaussite, a new rare earth-niobium-barium silicate from Ilímaussaq South Greenland. Bulletin Grønlands Geologiske Undersøgelse. 75, (Jun. 1968), 3–7. DOI:https://doi.org/10.34194/bullggu.v75.6613.