1. 1. Arzamastsev, A. A., Arzamastseva, L. V., Travin, A. V., Belyatsky, B. V. et al. 2007. Duration of formation of the Paleozoic magmatic system of the central part of the Kola Peninsula: U-Pb-, Rb-Sr-, Ar-Ar data. Doklady Akademii nauk, 413(5), pp. 666-670. EDN: IAANTJ. (In Russ.)
2. 2. Atlas of physical properties of minerals and rocks of the Khibiny deposits. 1975. Ed. Turchaninov I. A. Leningrad. (In Russ.)
3. 3. Ivanyuk, G. Yu., Goryainov, P. M., Pakhomovsky, Y. A., Konopleva, N. G. et al. 2009. Self-organization of ore complexes. Synergetic principles of forecasting and prospecting of mineral deposits. Moscow. (In Russ.)
4. 4. Catalogue of geochronological data on northeastern part of the Baltic Shield. Appendix N 3 to monograph Geology of ore districts of the Murmansk region. 2002. Bayanova T. B., Pozhilenko V. I., Smolkin V. F., Kudryashov N. M. et al. Apatity. (In Russ.)
5. 5. Kostyleva-Labuntsov, E. E., Borutsky, B. E., Sokolova, M. N., Shlyukova, Z. V. 1978. Mineralogy of the Khibiny massif. Ed. F. V. Chukhrov. In 2 vol. Vol. 2. Minerals. Moscow. (In Russ.)