SORIA, F. 5th colloquium of cement plant managers and technicians. Materiales de Construcción, [S. l.], v. 19, n. 135, p. 7–23, 1969. DOI: 10.3989/mc.1969.v19.i135.1580. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1580. Acesso em: 28 feb. 2024.