S.F.S. Standard method of test for fineness of portland cement by air permeability apparatus. Materiales de Construcción, [S. l.], v. 5, n. 060, p. 12–26, 1955. DOI: 10.3989/mc.1955.v05.i060.2475. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2475. Acesso em: 20 may. 2024.