1. Hylleraas Centre for Quantum Molecular Sciences
2. Department of Chemistry
3. University of Oslo
4. N-0315 Oslo
5. Norway
6. University of Missouri
7. Columbia
8. USA
9. Yale University
10. New Haven
11. Department of Electronics
12. ETSIT
13. University of Valladolid
14. 47011 Valladolid
15. Spain