1. Institute of Inorganic Chemistry, Academy of Sciences of the Czech Republic, v.v.i., 250 68 Husinec-Řež, Czech Republic
2. The School of Chemistry of the University of Leeds, Leeds LS2 9JT, U.K.
3. Instituto Universitario de Catálisis Homogénea, Universidad de Zaragoza, 50009-Zaragoza, Spain
4. J. Heyrovský Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, v.v.i., Dolejškova 3, 182 23 Prague 8, Czech Republic
5. Institute of Physical Biology, University of South Bohemia, Zámek 136, 373 33 Nové Hrady, Czech Republic