1. Consultant
2. Austin, USA
3. Theoretische Chemie
4. Ruhr-Universität Bochum
5. 44780 Bochum, Germany
6. Department of Chemistry
7. University of North Texas
8. Denton, USA
9. Department of Chemical Physics
10. Fritz-Haber-Institut der Max-Planck-Gesellschaft
11. 14195 Berlin, Germany