1. J.
Heyrovský Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, Dolejskova 3, 182
23 Prague, Czech Republic
2. University of Pardubice, Studentská
95, 532 10 Pardubice, Czech Republic
3. The
Institute of Rock Structure and Mechanics, Academy of Sciences of the Czech Republic, V Holesovickach 94/41, 182 09 Prague, Czech Republic
4. Institute
of Inorganic Chemistry, Academy of Sciences of the Czech Republic, Husinec-Rez, 25068 Rez, Czech Republic