Barreto-Torrella, S., R. Pérez-Marín, Y. Recio-Rodríguez, and H. Oquendo-Ferrer. “Mixing Evaluation in the Household Clay Filter Production”. Chemical Technology, Vol. 38, no. 3, Sept. 2018, pp. 549-63, doi:10.1590/2224-6185.2018.3.%x.