1. Institute of Applied Physics “Nello Carrara”, National Research Council, Via Madonna del Piano 10, Sesto Fiorentino, 50019 Firenze, Italy
2. Department of Information Engineering, University of Florence, Via S. Marta 3, 50139 Firenze, Italy
3. Center for Ancient Mediterranean and Near Eastern Studies, CAMNES, Via del Giglio 13, 50123 Firenze, Italy