For citations:
Dergachev A.L., Shemyakina E.M., Dyakonov V.V. Natural constraints on use of rare elements in photovoltaic technologies. Moscow University Bulletin. Series 4. Geology. 2025;64(2):3-18. (In Russ.) https://doi.org/10.55959/MSU0579-9406-4-2025-64-2-3-18