1. Department of Inorganic
Chemistry, Faculty of Science, P. J. Šafárik University, Moyzesova
11, SK-041 54 Košice, Slovak Republic
2. Department of Synthesis and Catalysis, J. Heyrovský Institute of Physical Chemistry of the ASCR, v.v.i., Dolejškova 2155/3, CZ-182 23 Prague 8, Czech Republic
3. Department
of Education, University of J. Selye, Bratislavská cesta 3322, SK-945 01 Komárno, Slovak Republic
4. Aix-Marseille University, CNRS, MADIREL, F-133 97 Marseille
Cedex 20, France