H. O. Rubio-Arias, J. M. Ochoa-Rivero, M. de L. Villalba, E. Barrientos-Juárez, C. De-la-Mora-Orozco, and B. A. Rocha-Gutiérrez, “Eliminating heavy metals from water with filters packed with natural zeolite of varying sizes ”, Tecnol. cienc. agua, vol. 12, no. 6, pp. 282–327, Nov. 2021, doi: 10.24850/j-tyca-2021-06-07.