1. Borshch, N.A., Pereslavtseva, N.S., and Kurganskii, S.I., Semiconductors, 2006, vol. 40, no. 12, p. 1423.
2. Stewart, J.J.P., J. Comput. Chem., 1991, vol. 12, p. 320.
3. Valakh, M.Ya., Dzhagan, V.N., Matveeva, L.A., Oberemok, A.S., Romanyuk, B.N., and Yukhimchuk, V.A., Semiconductors, 2003, vol. 37, no. 4, p. 443.
4. Minkin, V.I., Simkin, B.Ya., and Minyaev, R.M., Teoriya stroeniya molekul (A Theory of Molecule Structure), Rostov-on-Don, 1997.
5. Clark, T., A Handbook of Computational Chemistry: A Practical Guide to Chemical Structure and Energy Calculations, New York: Wiley, 1985.