L.S.C. Determining the position of reinforcement in concrete. Materiales de Construcción, [S. l.], v. 3, n. 044, p. 38–38, 1953. DOI: 10.3989/mc.1953.v03.i044.2680. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2680. Acesso em: 23 jul. 2024.