Tonel Monteiro, A. P., Barata, C., Frade, J. C., & Candeias, A. (2017). The retable of the chapel of Our Lady of Mercy in the cloister of Oporto’s Cathedral: study, conservation and restoration. Ge-Conservacion, 12, 137-149. https://doi.org/10.37558/gec.v12i0.533