1. Michael, A., J. Prakt. Chem.2., 1887, vol. 35, p. 349.
2. Romanenko, E.A., Zh. Obshch. Khim., 2000, vol. 70, no. 8, p. 1274.
3. Brovarets, V.S., Vydzhak, R.N., Zyuz’, K.V., Romanenko, E.A., and Drach, B.S., Zh. Obshch. Khim., 1994, vol. 64, no. 4, p. 602.
4. Romanenko, E.A., Zh. Obshch. Khim., 2002, vol. 72, no. 2, p. 231.
5. Granovsky, A.A., PC GAMESS, version 6.4, Moscow: Mosk. Gos. Univ, 2004; www:http://classic.chem.msu.su/gran/gamess/index.html.