Bartolomé Rodríguez, Isabel. “Electra Del Lima and the Hydroelectric Group (1908-1944)”. Revista de Historia Industrial — Industrial History Review 18, no. 39 (September 26, 2017): 119–151. Accessed January 22, 2025. https://revistes.ub.edu/index.php/HistoriaIndustrial/article/view/20059.