C. E, E. Rodríguez-Martínez, J. Klapp-Escribano, R. Duarte-Pérez, M. Teresa-Olguín, A. F, I. Cano-Aguilera, and Z. González-Acevedo, Simulation of breakthrough curves of selenium absorbed in two biomass filters using a dispersion and sorption model. Use for a hypothetical case, Rev. Mex. Fís. 59, (2013).