Pascual Ruiz-Valdepeñas, Henar, and Gonzalo Andrés López. “The First Factory in the City. Industrialization in Burgos in the Thirties and Forties Years”. Revista de Historia Industrial — Industrial History Review 15, no. 32 (July 26, 2017): 141–168. Accessed January 4, 2025. https://revistes.ub.edu/index.php/HistoriaIndustrial/article/view/19679.