Alcalde, M., and A. Martín. “Macroscopical Morphology of Deterioration of the Stone in the Cathedral of Cádiz, Spain”. Materiales de Construcción 40, no. 220 (December 30, 1990): 5–27. Accessed December 11, 2023. https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/761.