1. 1E. M. Levin, H. F. McMurdie, and F. P. Hall , Phase Diagrams for Ceramists . The American Ceramic Society, Inc., Columbus, Ohio, 1956 . 286 pp.
2. 2Ribaud , Fusion Curves of Lithium Borates. Paris, 1909 (cited by Rollet and Bonaziz, see footnote 4).
3. Über Borate