L.S.C. Federal specification-cements, portland. Materiales de Construcción, [S. l.], v. 4, n. 049, p. 1–14, 1954. DOI: 10.3989/mc.1954.v04.i049.2554. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2554. Acesso em: 21 may. 2024.