1. A. A. Konkin, Carbon and Other Fire-Resistant Fibrous Materials [in Russian], Khimiya, Moscow, 1974, 376 pp.
2. V. Ya. Varshavskii, Carbon Fibers [in Russian], Varshavskii, Moscow, 2007, 500 pp.
3. G. I. Kudryavtsev (ed.), Reinforced Chemical Fibers for Composites [in Russian], Khimiya, Moscow, 1992, 236 pp.
4. S.-Y. Gu, J. Ren, and Q.-L. Wu, Synth. Met., 155, No. 1, 157–161 (2005).
5. W.-X. Zhang, Y.-Z. Wang, and C.-F. Sun, J. Polym. Res., No. 14, 467–474 (2007).