Rocha Junior, N. T.; de Souza, C. R. F.; Pimenta, A. R.; Félix, V. de S.; de Freitas, R. P. Use of the MA-XRF Technique in the Authentication of Guignard’s Artwork Recovered by the RJ Civil Police. Semin., Exact Tech. Scienc. 2025, 46, e52400.