ROBINSON, G. . Manufacturing cement in vertical shaft kiln. Materiales de Construcción, [S. l.], n. 014, p. 33–35, 1950. DOI: 10.3989/mc.1950.i014.3075. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/3075. Acesso em: 2 may. 2024.