Herrero-Cortell, M. A., M. Raich, P. Artoni, y I. Puig. «Multi-Band Technical Imaging in the Research of the Execution of Paintings. The Case Study of the Portrait of Carlos IV, by Francisco De Goya». Ge-Conservacion, Vol. 14, diciembre de 2018, pp. 5-15, doi:10.37558/gec.v14i1.583.