Zuvic, Velko, and Ramón Ross. “The Viaduct of Line 4 of Santiago’s Subway: Its Conception and Design”. Revista Ingeniería de Construcción 19, no. 3 (July 15, 2024): 137–146. Accessed July 19, 2024. https://ojs.uc.cl/index.php/ric/article/view/17387.