Pascual Ruiz-Valdepeñas, H., and G. Andrés López. “The First Factory in the City. Industrialization in Burgos in the Thirties and Forties Years”. Revista De Historia Industrial — Industrial History Review, vol. 15, no. 32, July 2017, pp. 141-68, https://revistes.ub.edu/index.php/HistoriaIndustrial/article/view/19679.