PUEYO SÁNCHEZ, J. When was cement industry an oligopoly? The Spanish case, 1908-1992. Revista de Historia Industrial — Industrial History Review, [S. l.], n. 9, p. 83–115, 2017. DOI: 10.1344/rhi.v0i9.18350. Disponível em: https://revistes.ub.edu/index.php/HistoriaIndustrial/article/view/18350. Acesso em: 8 oct. 2024.