1. Department of Catalysis and Chemical Reaction Engineering
2. National Institute of Chemistry
3. 1001 Ljubljana
4. Slovenia
5. Department of Low and Medium Energy Physics
6. “Jozef Stefan” Institute
7. 1000 Ljubljana
8. Physics Department
9. Durban University of Technology
10. Durban 4000
11. South Africa
12. School of Chemistry and Physcis