Pérez Hernández, Concepción M.A. “The Internationalization of Cespa in Monopoly Spain”. Revista de Historia Industrial — Industrial History Review 19, no. 42 (November 22, 2017): 89–119. Accessed July 14, 2024. https://revistes.ub.edu/index.php/HistoriaIndustrial/article/view/20500.