GASPAR-TEBAR, D. Some remarks on the presence of metallic sulphurs in aggregates. Materiales de Construcción, [S. l.], v. 25, n. 159, p. 29–42, 1975. DOI: 10.3989/mc.1975.v25.i159.1259. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1259. Acesso em: 22 jul. 2024.