ESSER, H.; HOFMANN, W. Perbunan C in super and infrastructure work. Materiales de Construcción, [S. l.], v. 16, n. 122, p. 60–72, 1966. DOI: 10.3989/mc.1966.v16.i122.1713. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1713. Acesso em: 29 apr. 2024.