1. O. Kubaschewski and W.A. Dench: “The Free Energy Diagram of the System Titanium-Oxygen,” J. Inst. of Metals, 1953, 82, pp. 87–91.
2. O. Kubaschewski and W.A. Dench: “The Heats of Formation in the System Titanium-Aluminium and Titanium-Iron,” Acta Met., 1985, 3, pp. 339–46.
3. K.H. Kim and F.A. Hummel: “Studies in Lithium Oxide Systems: IX,” J. Am. Ceram. Soc., 1960, 43, pp. 611–14.
4. A.M. Lejus, D. Goldberg, and A. Revcolevschi: “New Compounds Formed Between Rutile, TiO2 and Oxides of Trivalent and Tetravalent Metals,” C. R. Hebd. Seances Acad. Sci., Ser. C., 1966, 263, pp. 1223–26.
5. D. Goldberg: “Systems Formed by Alumina With Some Oxides of Trivalent and Tetravalent Metals, Especially Titanium Oxide,” Rev. Int. Hautes Temp. refract., 1968, 5, pp. 181–94.