LÓPEZ MORELL, M. Ángel; PÉREZ DE PERCEVAL VERDE, M. Ángel. From old mining to new mining: the introduction of differential flotation in Spanish mines and its environmental impact. Revista de Historia Industrial — Industrial History Review, [S. l.], v. 28, n. 77, p. 119–148, 2019. DOI: 10.1344/rhi.v28i77.28892. Disponível em: https://revistes.ub.edu/index.php/HistoriaIndustrial/article/view/28892. Acesso em: 30 dec. 2024.