Collantes Gutiérrez, Fernando. “Energy, Industry and Rural Areas: The Case of Spanish Mountain Zones (1850-2000)”. Revista de Historia Industrial — Industrial History Review 1, no. 23 (July 18, 2017): 65–94. Accessed July 14, 2024. https://revistes.ub.edu/index.php/HistoriaIndustrial/article/view/19465.