1. J. Thomas, N. Weston, and T. O'Connor, “Turbostratic boron nitride thermal transformation,” J. Am. Ceram. Soc.,84, No. 24, 4619–4622 (1962).
2. A. V. Kurdyumov and A. N. Pilyankevich, Phase Transformations in Carbon and Boron Nitride [in Russian], Naukova Dumka, Kiev (1979).
3. F. O'Connor, Patent 3241919 USA. Process for the Production of Boron Nitride. Published March 22, 1966.
4. I. G. Kuznetsova, “An investigation of questions of technology and certain properties of a hot-pressed boron nitride-base ceramic,” Candidate's Thesis Technical Sciences, Moscow (1969).
5. V. V. Vikulin, L. N. Rusanova, V. F. Kuznetsova, et al., “An investigation of the relationship of oxygen content to heat treatment temperature and its influence on the structure and strength characteristics of boron nitride,” Poroshk. Metall., No. 9, 64–70 (1978).