S.F.S. Tentative method of test for air content of hydraulic cement mortar. Materiales de Construcción, [S. l.], v. 5, n. 063, p. 15–22, 1955. DOI: 10.3989/mc.1955.v05.i063.2496. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2496. Acesso em: 23 jul. 2024.