FERNÁNDEZ PARÍS, J. M.; BAQUEDANO COLL, C. F. Testing hardened Portland cement concrete by microscopy. Materiales de Construcción, [S. l.], v. 19, n. 135, p. 59–70, 1969. DOI: 10.3989/mc.1969.v19.i135.1584. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1584. Acesso em: 3 may. 2024.