1. University of Kragujevac
2. Faculty of Science
3. 34000 Kragujevac
4. Serbia
5. Institut für Anorganische und Analytische Chemie
6. Technische Universität Braunschweig
7. 38106 Braunschweig
8. Germany
9. Institute for Information Technologies Kragujevac
10. Department of Science
11. Inorganic Chemistry
12. Department of Chemistry and Pharmacy
13. University of Erlangen-Nürnberg
14. 91058 Erlangen
15. Department of Chemistry
16. Biochemistry and Environmental Protection University of Novi Sad
17. 21000 Novi Sad