1. R. T. Paine and C. K. Narula, Chem. Rev. 90, 73 (1990).
2. A. V. Kurdyumov, V. G. Malogolovets, N. V. Novikov, A. N. Pilyankevich, and L. A. Shul’man, Polymorphous Modifications of Carbon and Boron Nitride: A Handbook (Metallurgiya, Moscow, 1994) [in Russian].
3. V. V. Pokropivny, Nanostruct. Materialoved. 1, 38 (2005).
4. S. S. Batsanov, G. E. Blokhin, and A. A. Deribas, Zh. Strukt. Khim. 6, 227 (1965).
5. A. V. Kurdyumov and A. N. Pilyankevich, in Boron: Production, Structure, and Properties (Nauka, Moscow, 1984), p. 181 [in Russian].