1. Department of Physical and Analytical Chemistry, Campus Las Lagunillas; University of Jaen; E-23071 Jaen Spain
2. Department of Geology, C/ Alfonso X, El Sabio, 28 EPS Linares; University of Jaen; E-23700 Linares Spain
3. Office of Research Transfer and Enterprise, Campus Las Lagunillas; University of Jaen; E-23071 Jaen Spain
4. Conservation Department; Council of The Alhambra and Generalife; Granada Spain