1. Department of Physical Chemistry Faculty of Chemical Technology University of Pardubice Pardubice Czech Republic
2. Department of Inorganic Technology Faculty of Chemical Technology University of Pardubice Pardubice Czech Republic
3. Instituto de Ciencia de Materiales de Sevilla (C.S.I.C.—Univ. Sevilla) Sevilla Spain
4. Departamento de Química Inorgánica Facultad de Química Universidad de Sevilla Sevilla Spain