Luxán, M. P., F. Dorrego, and R. Sotolongo. “Mortars and Treatments in the Restoration of the Altarpiece of the High Altar of the Pilar Basilica”. Materiales de Construcción 50, no. 258 (June 30, 2000): 27–36. Accessed April 26, 2024. https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/407.