SAGRERA, J. L. Qualitative determination of the constituents of hydraulic cements by X ray fluorescence. Materiales de Construcción, [S. l.], v. 18, n. 129, p. 29–35, 1968. DOI: 10.3989/mc.1968.v18.i129.1638. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1638. Acesso em: 29 apr. 2024.