1. V. S. Kilin, E. M. Cherednik, L. N. Shcheglova, et al., ?Oxidation resistance of carbon fibers with protective coatings,? Poroshk. Metall., No. 2, 44?47 (1975).
2. N. A. Lapina, T. A. Balashova, and V. F. Ermakova, ?A complex investigation of low-temperature carbonization processes,? in: Constructional Graphite-Base Materials [in Russian], Vol. 4, Metallurgiya, Moscow (1969), pp. 182?187.
3. Yu. N. Vasil'ev and V. M. Emel'yanova, ?Effects of phosphorus compounds upon the oxidation rate and wear intensity of synthetic graphite,? Izv. Akad. Nauk SSSR, Neorg. Mater.,6, No. 2, 201?206 (1970).
4. A. A. Konkin, Carbon Fibers and Other Oxidation-Resistant Fiber Materials [in Russian], Khimiya, Moscow (1974).