EDITORIAL, E. Mix-it-yourself concrete offered in box-mix form. Materiales de Construcción, [S. l.], v. 7, n. 080, p. 48, 1957. DOI: 10.3989/mc.1957.v07.i080.2134. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2134. Acesso em: 22 may. 2024.