1. Yu. P. Kudryavtsev, S. E. Evsyukov, M. B. Guseva, et al., Izv. Akad. Nauk, Ser. Khim., No. 3, 450–463 (1993).
2. A. M. Sladkov, Carbyne as the Third Allotropic Carbon Form (Nauka, Moscow, 2003) [in Russian].
3. Carbyne and Carbynoid Structures, Ed. by R.B. Heimann, S.E. Evsyukov, and L. Kavan, Dordrecht, Kluwer Acad. Publ, London, 1999).
4. T. G. Shumilova, Mineralogy of Native Carbon (Ural. Otd. Ross. Akad. Nauk, Yekaterinburg, 2003) [in Russian].
5. D. V. Fedoseev, N. V. Novikov, A. S. Vishnevskii, et al., Diamond. Reference Book (Naukova Dumka, Kiev, 1981) [in Russian].