MARTÍNEZ RUIZ, J. I. Rate systems and selling prices of electricity to the industrial sector in Spain before the Civil War. Revista de Historia Industrial — Industrial History Review, [S. l.], v. 25, n. 62, p. 143–179, 2018. Disponível em: https://revistes.ub.edu/index.php/HistoriaIndustrial/article/view/21390. Acesso em: 11 mar. 2025.