FERRER-VIDAL, J. Firing kilns with low-grade coals. Materiales de Construcción, [S. l.], n. 015, p. 4–9, 1950. DOI: 10.3989/mc.1950.i015.3108. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/3108. Acesso em: 2 may. 2024.