1. Systems: 1. Classification of the Systems by Chemical Proximity of Components;B P Sobolev;Earth-Element (REE) Trifluorides in the RF 3 -R'F 3,2020
2. High-temperature chemistry of Y, La and lanthanide trifluorides in RF 3 -R'F 3 systems. Part 1. Chemical classification of systems;B Sobolev;J. Solid State Chem,2021
3. High-temperature chemistry of Y, La and lanthanide trifluorides in RF 3 -R'F 3 systems. Part 2. Phase diagrams of the studied systems;B Sobolev;J. Solid State Chem,2021
4. High-temperature chemistry of Y, La and lanthanide trifluorides in RF 3 -R'F 3 systems. Part 3. Phase composition of the studied systems;B Sobolev;J. Solid State Chem,2021