CHADDA, L. . The rapid determination of cement content in concrete and mortar. Materiales de Construcción, [S. l.], v. 6, n. 073, p. 51–54, 1956. DOI: 10.3989/mc.1956.v06.i073.2422. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2422. Acesso em: 4 may. 2024.