Amadori, Maria Letizia, Elena Gramegna, Giuliana Raffaelli, Francesca Schillaci, Filippo Mangani, and Isodoro Bachiocca. “The Facade of the Church of Saint Spirit in Urbino: From Scientific Investigations to Restoration”. Conservation Science in Cultural Heritage 3, no. 1 (January 1, 2003): 115–132. Accessed April 27, 2024. https://conservation-science.unibo.it/article/view/557.