1. Department
of Chemistry, University of Pavia, Viale Taramelli 12, I-27100 Pavia, Italy
2. General
Energy Research (ENE), Laboratory for Bioenergy and Catalysis, Paul Scherrer Institut, 5232 Villigen, Switzerland
3. Centro
Interdipartimentale di Studi e Ricerche per la Conservazione del Patrimonio
Culturale (CISRiC), Laboratorio Arvedi, University of Pavia, via Ferrata 1, I-27100 Pavia, Italy
4. Department
of Physics, University of Pavia, Via Bassi 6, I-27100 Pavia, Italy
5. Department
of Earth Science, University of Milan, Via Botticelli 23, I-20133 Milano, Italy