VIDELA, C.; MARTÍNEZ, P. FLY ASH LIGHTWEIGHT AGGREGATES FOR SUSTAINABLE CONCRETE CONSTRUCTION. Revista Ingeniería de Construcción, [S. l.], v. 16, n. 2, p. 99–104, 2001. Disponível em: https://ojs.uc.cl/index.php/ric/article/view/17285. Acesso em: 25 nov. 2024.