1. Faculty
of Sciences, Charles University in Prague, Hlavova 2030, 128 43 Prague 2, Czech Republic
2. Institute
of Physics, v.v.i., Academy of Sciences of the Czech Republic, Cukrovarnická 10, 162 00 Prague 6, Czech Republic
3. J. Heyrovský
Institute of Physical Chemistry, v.v.i., Academy of Sciences of the Czech Republic, Dolejškova 3, 182 23 Prague 8, Czech Republic
4. Institute
of Inorganic Chemistry, v.v.i., Academy of Sciences of the Czech Republic, 250 68 Řež, Czech Republic