1. D. N. Poluboyarinov, R. Ya. Popil'skii, and Tszyan-Dun-Khua, “Effect of some additives on sintering and the properties of periclase ceramics,” Ogneupory, No. 4, 178–184 (1962).
2. P. P. Budnikov, N. A. Matveev, and V. K. Yanovskii, “Sintering of high-purity magnesium oxide with hafnium dioxide additives,” Ogneupory, No. 4, 32–37 (1965).
3. D. J. Witteromore, “High temperature refractories,” J. Chem. Educ.,31, 533–537 (1954).
4. Khari Dev Bgargyava, Study of the Reaction of Rare-Earth Element Oxides with Alkaline-Earth Metal Oxides, Candidate Dissertation in Technical Sciences, Moscow (1964).
5. V. S. Gvozd', “X-ray spectral microanalysis of the distribution of impurities and additives in periclase ceramics,” Steklo Keram., No. 2, 28–29 (1993).