GRASLAND, G. Study of the movement of materials in rotary kilns with aid of radioactive tracers. Materiales de Construcción, [S. l.], v. 16, n. 123, p. 5–8, 1966. DOI: 10.3989/mc.1966.v16.i123.1700. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1700. Acesso em: 2 may. 2024.