SAGRERA, J. L.; BACLE, B. Determination of chlorine in concretes by X ray fluorescence methods. Materiales de Construcción, [S. l.], v. 17, n. 125, p. 47–52, 1967. DOI: 10.3989/mc.1967.v17.i125.1666. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1666. Acesso em: 28 mar. 2024.