BOUTET. Examination of the hardening of portland cement by an electronic microscope. Materiales de Construcción, [S. l.], n. 016, p. 31–31, 1950. DOI: 10.3989/mc.1950.i016.3144. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/3144. Acesso em: 5 may. 2024.