LEONHARD, A. . A new test kiln for the cement, limo, magnesite and gypsum industries. Materiales de Construcción, [S. l.], n. 017, p. 33–34, 1950. DOI: 10.3989/mc.1950.i017.3175. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/3175. Acesso em: 1 may. 2024.