SPRUNG, S. Chemical and mineralogical composition of the powder in cement kilns. Materiales de Construcción, [S. l.], v. 18, n. 129, p. 15–28, 1968. DOI: 10.3989/mc.1968.v18.i129.1637. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1637. Acesso em: 3 may. 2024.