1. Ioffe Physical-Technical Institute; Russian Academy of Sciences, 26 Polytekhnicheskaya St.; St.-Petersburg 194021 Russia
2. Institute for Theoretical Chemistry; The University of Texas at Austin, 105 E. 24-th St.; Stop A5300 Austin, TX 78712-1224 USA
3. Ural Federal University named after the first President of Russia B.N. Yeltsin, 19 Mira St.; Ekaterinburg 620002; Russia
4. Russian Vocational Pedagogical University; 11 Mashinostroiteley St.; Ekaterinburg 620012 Russia
5. Moldova State University, 60 A. Mateevici St.; Chisinau M; D-2009 Moldova
6. Institute for Metal Physics; Ural Division of the Russian Academy of Sciences, 18 S. Kovalevskaya St.; Ekaterinburg 620990 Russia
7. Institute of Solid State Chemistry; Ural Division of the Russian Academy of Sciences, 91 Pervomaiskaya St.; Ekaterinburg 620990 Russia