[1] Univ Franche Comte, Lab Chronoenvironm, CNRS, UMR 6249, F-25000 Besancon, France
[2] CSIC, Inst Heritage Sci Incipit, Edificio Fontan Bloque 4, Santiago De Compostela 15705, Spain
[3] Univ Bourgogne, Lab Artehis, CNRS, UMR 6298, F-21000 Dijon, France