SCHELLMANN, W.; FASTABEND, H. Laboratory Investigations of the Estimation of Expansive Clays. Materiales de Construcción, [S. l.], v. 22, n. 147, p. 5–19, 1972. DOI: 10.3989/mc.1972.v22.i147.1415. Disponível em: https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/1415. Acesso em: 4 may. 2024.