S.V. Kuznetsov, A.S. Nizamutdinov, M.N. Mayakova, E.I. Madirov, A.R. Khadiev, V.G. Gorieva, V.V. Voronov, A.D. Yapryntsev, V.K. Ivanov, V.V. Semashko, P.P. Fedorov. Synthesis and down-conversion luminescence investigation of CaF2:Yb:Ce powders for photonics. Journal of Fluorine Chemistry. (2019). 222-223. p.46-50