HAARMANN, F.; ANDERNACH, .-. Installation and working methods of a testing laboratory to establish a private control at the concrete plant (part 1). Materiales de Construcción, [S. l.], v. 23, n. 149, p. 76–84, 1973. DOI: 10.3989/mc.1973.v23.i149.1401. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1401. Acesso em: 26 apr. 2024.