1. Department of Physics and Earth Sciences
2. University of Parma
3. 43124 Parma
4. Italy
5. Consiglio Nazionale delle Ricerche
6. Istituto per la Conservazione e la Valorizzazione dei Beni Culturali (ICVBC)
7. Milano
8. Central Laser Facility
9. Research Complex at Harwell
10. STFC Rutherford Appleton Laboratory
11. UK
12. Department of Scientific Research
13. Metropolitan Museum of Art
14. New York
15. USA
16. Ghent University
17. Department of Archaeology
18. B-9000 Ghent
19. Belgium