EDITORIAL, E. VDZ International Congress (Association of Cement Manufacturers of Western Germany). Materiales de Construcción, [S. l.], v. 21, n. 144, p. 39–50, 1971. DOI: 10.3989/mc.1971.v21.i144.1487. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1487. Acesso em: 28 apr. 2024.