Eliseeva Tatyana Nikolaevna (2023) “Rare Earth Elements (Ree), Which Are of Great Importance for Modern Technology Due to the Presence of Unique Optical and Magnetic Properties in Their Compounds”, Zeta Repository, 19, pp. 217–220. Available at: https://zetarepo.com/index.php/zr/article/view/2155 (Accessed: 7 April 2025).