1. Phase Equilibria in BaF2 - (Y,Ln)F3 Systems;Tkachenko;J. Sol. State Chem.,1973
2. Congruently-Melting Compounds of CaF2.rcRF3;Pastor;Mat. Res. Bull.,1974
3. Anti-Stokes Phosphors in the BaF2 - RF3 System;Nathanson,1971
4. Phase Diagram of the BaF2 - YbF3 System;Zhigarnovsky;Neorg. Mater.,1970
5. The Determination of the Nature of the Defects in BaF2:RF3 Solid Solutions;Baglio,1971