Elizalde, Rubén Rodríguez. “Juan De Herrera’s Architectural Challenge: Understanding the Planar Vault of El Escorial”. Engineering Research: Perspectives on Recent Advances Vol. 6 (April 11, 2025): 218–242. Accessed June 13, 2026. https://stm.bookpi.org/ERPRA-V6/article/view/18043.