1. A. V. Kurdyumov and A. N. Pilyankevich, “Phase transformations of carbon and boron nitride” (Naukova Dumka, Kiev, 1979) p. 188 (in Russian).
2. A. N. Pilyankevich and G. S. Oleynik, in “Vliyanie visokich davlenii na veshestvo”, Vol. 1, edited by A. N. Pilyankevich, (Naukova Dumka, Kiev, 1987) p. 57 (in Russian).
3. T. Sato, T. Ishii and N. Setaka, J. Am. Ceram. Soc.
65 (10) (1982) 162.
4. A. Onodera, K. Inoue, H. Yoshihara, H. Nakae, T. Matsuda and T. Hirai, J. Mater. Sci.
25 (1990) 4279.
5. I. A. Petrusha, A. A. Svirid, A. H. Lucenko, B. N. Sharupin and S. M. Potechin, “Martensitic transformation of rhombohedral boron nitride in wurtzitic-BN under high static pressure”, Preprint of Institute for Superhard Materials of the Ukrainian Academy of Sciences, Kiev, 1990, p. 12 (in Russian).