Herranz Loncán, Alfonso. “Did Spanish Railways Fail? Some Comments Around the «paradox of the Spanish Railways”. Revista de Historia Industrial — Industrial History Review 1, no. 23 (July 18, 2017): 39–64. Accessed May 4, 2024. https://revistes.ub.edu/index.php/HistoriaIndustrial/article/view/19464.