1. Gurkova, S.N., Gusev, A.I., Alekseev, N.V., Gar, T.K., and Viktorov, N.A., Dokl. Akad. Nauk SSSR, 1982, vol. 266, no. 6, p. 1399.
2. Gar, T.K., Viktorov, N.A., Mironov, V.F., Gurkova, S.N., Gusev, A.I., Ivashchenko, D.A., Nikitin, V.S., Alekseev, N.V., and Feshin, V.P., Zh. Obshch. Khim., 1982, vol. 52, no. 7, p. 1593.
3. Feshin, V.P., Nikitin, P.A., Voronkov, M.G., Gar, T.K., Viktorov, N.A., Gurkova, S.N., Gusev, A.I., and Shiryaev, A.I., Zh. Obshch. Khim., 1984, vol. 54, no. 3, p. 646.
4. Feshin, V.P., Nikitin, P.A., Voronkov, M.G., Gar, T.K., Viktorov, N.A., Gurkova, S.N., and Gusev, A.I., Dokl. Akad. Nauk SSSR, 1984, vol. 274, no. 3, p. 665.
5. Frisch, M.J., Trucks, G.W., Schlegel, H.B., Scuseria, G.E., Robb, M.A., Cheeseman, J.R., Montgomery, J.A., Jr., Vreven, T., Kudin, K.N., Burant, J.C., Millam, J.M., Iyengar, S.S., Tomasi, J., Barone, V., Mennucci, B., Cossi, M., Scalmani, G., Rega, N., Petersson, G.A., Nakatsuji, H., Hada, M., Ehara, M., Toyota, K., Fakuda, R., Hasegawa, J., Ishida, M., Nakajima, T., Honda, Y., Kitao, O., Nakai, H., Klene, M., Li, X., Knox, J.E., Hratchian, H.P., Cross, J.B., Bakken, V., Adamo, C., Jaramillo, J., Gomperts, R., Stratmann, R.E., Yazyev, O., Austin, A.J., Cammi, R., Pomelli, C., Ochterski, J.W., Ayala, P.Y., Morokuma, K., Voth, G.A., Salvador, P., Dannenberg, J.J., Zakrzewski, V.G., Dapprich, S., Daniels, A.D., Strain, M.C., Farkas, O., Malick, D.K., Rabuck, A.D., Raghavachari, K., Foresman, J.B., Ortiz, J.V., Cui, Q., Baboul, A.G., Clifford, S., Cioslowski, J., Stefanov, B.B., Liu, G., Liashenko, A., Piskorz, P., Komaromi, I., Martin, R.L., Fox, D.J., Keith, T., Al-Laham, M.A., Peng, C.Y., Nanayakkara, A., Challacombe, M., Gill, P.M.W., Johnson, B., Chen, W., Wong, M.W., Gonzalez, C., and Pople, J.A., Gaussian 03, Revision D.1, Gaussian, Inc. Wallingford, CT, 2005.