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| Silin, Ivan, Gürsel, Devrim, Büchter, Christian, Weitkämper, Lars, Wotruba, Hermann (2021) Recovery of Catapleiite and Eudialyte from Non-Magnetic Fraction of Eudialyte ore Processing of Norra Kärr Deposit. Minerals, 12 (1) 19 doi:10.3390/min12010019
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| Doig, R. (1970). An alkaline rock province linking Europe and North America. Canadian Journal of Earth Sciences, 7(1), 22-28. doi.org/10.1139/e70-002
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