1. Department of Chemistry G. Ciamician
2. BRAVHO Radiocarbon Laboratory
3. Alma Mater Studiorum
4. University of Bologna
5. Via Selmi 2
6. Hohenheim Gardens
7. University of Hohenheim
8. Emil-Wolff-Strasse 38
9. Stuttgart D-70599
10. Germany
11. Institute of Environmental Physics
12. Heidelberg University
13. Heidelberg D-69120