1. Physics and Application of Graphene — Experiments, Mikhailov, S., Ed., Rijeka: InTech., 2011.
2. Gall, N.R., Rut’kov, E.V., and Tontegode, A.Ya., Int. J. Modern Phys. B, 1997, vol. 11, p. 1865.
3. Potekhina, N.D., Poverkhn. Fiz. Khim. Mekh., 1987, vol. 4, p. 14.
4. Gall’, N.R., Rut’kov, E.V., Tontegode, A.Ya., and Usufov, M.M., Zh. Tekh. Fiz., 1999, vol. 69, no. 9, p. 72.
5. Zandberg, E.Ya., Knat’ko, M.V., and Paleev, V.I., Pis’ma Zh. Tekh. Fiz., 1986, vol. 7, no. 7, p. 388.