CONLEY; WILSON; KLINEFELTER. Investigations of lightweight agregates from clays and shales. Materiales de Construcción, [S. l.], n. 010, p. 46–46, 1950. DOI: 10.3989/mc.1950.i010.2846. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/2846. Acesso em: 5 may. 2024.