Giannotti da Silva, F., L. Liborio, J.B. and Helene, P. 2008. Improvement of physical and chemical properties of concrete with brazilian silica rice husk (SRH). Revista Ingeniería de Construcción. 23, 1 (Apr. 2008), 18–25. DOI:https://doi.org/10.4067/S0718-50732008000100002.