A. Krestinin, N. Kiselev, A. Raevskii, A. Ryabenko, D. Zakharov, and G. Zvereva, “Perspectives of Single-Wall Carbon Nanotube Production in the Arc Discharge Process”, Eurasian Chem.-Technol. J., vol. 5, no. 1, pp. 7–18, Jan. 2003.