1. 2H. J. Emeleus, and J. H. Simons ; pp.1 -76, in Fluorine Chemistry , Vol. I . Academic Press, New York, 1950 .
2. Alkaline-Earth-Fluoride-LaF3 Systems with Implications for Electroslag Melting
3. 4E. M. Levin, C. R. Robbing, H. F. McMurdie, and M. K. Reser , Phase Diagrams for Ceramists , 1969, Suppl. American Ceramic Society, Columbus, Ohio; Fig.3412 .
4. Melting Points of Inorganic Fluorides