1. I. Physikalisches Institut
2. Universität zu Köln
3. 50937 Köln
4. Germany
5. Department of Chemistry
6. Graduate School of Science
7. Hiroshima University
8. Higashi-Hiroshima 739-8526
9. Japan
10. Institute of Spectroscopy RAS
11. Moscow 108840
12. Russia
13. Moscow Institute of Physics and Technology
14. Moscow Region 141701