1. Department of Condensed Matter Physics
2. J. Stefan Institute
3. SI-1000 Ljubljana
4. Slovenia
5. Jožef Stefan International Postgraduate School
6. Dipartimento di Chimica e Chimica Industriale
7. Universitá degli studi di Pisa
8. 56124 Pisa
9. Italy
10. Institute of Physics
11. Academy of Sciences of the Czech Republic
12. Czech Republic