1. 1. Batieva, I. D. 1976. Petrology of alkaline granitoids on the Kola Peninsula. Leningrad. (In Russ.)
2. 2. Bayanova, T. B., Vetrin, V. R., Levkovich, N. V., Apanasevich, E. A. 1998. A Late Archean age of the Ponoy alkaline granite massif, Kola Peninsula, Russia. Abstracts Svekalapko, Europrobe project. Repino, p. 11.
3. 3. Bel'kov, I. V. 1963. Kyanite schists of the Keivy. Moscow ; Leningrad. (In Russ.)
4. 4. Belyaev, О. А., Mitrofanov, F. P., Bayanova, Т. B. et al. 2001. Late Archean age of acid metavolcanites of the Maly Keivy area (Kola Peninsula). Doklady RAS, 379(5), pp. 651-654. (In Russ.)
5. 5. Fomina, E., Kozlov, E., Lokhov, K., Lokhova, O. et al. 2019. Carbon sources and the graphitization of carbonaceous matter in Precambrian rocks of the Keivy Terrane (Kola Peninsula, Russia). Minerals, 9(2), p. 94. DOI: https://doi.org/10.3390/min9020094.