HURLBUT, M. R.; LIPPITT, D. L.; RICH, E. A. E. Application of digital computer control to cement manufacturing. Materiales de Construcción, [S. l.], v. 19, n. 134, p. 33–57, 1969. DOI: 10.3989/mc.1969.v19.i134.1589. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1589. Acesso em: 2 may. 2024.