SCHMIDT, H. Specialised literature on the manufacture and use of expanded clay granules. Materiales de Construcción, [S. l.], v. 21, n. 144, p. 5–21, 1971. DOI: 10.3989/mc.1971.v21.i144.1485. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1485. Acesso em: 1 may. 2024.