L.S.C. Review of construction and materials – secondite. Materiales de Construcción, [S. l.], v. 4, n. 051, p. 38–39, 1954. DOI: 10.3989/mc.1954.v04.i051.2576. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2576. Acesso em: 9 may. 2024.