Kuzminykh, V. A., and V. V. Selemenev. “Model of Non-Equilibrium Thermodynamics of Competitive Diffusive Transport in Ion Exchangers under Conditions of Excess-Equivalent Sorption”. Sorbtsionnye I Khromatograficheskie Protsessy, Vol. 16, no. 1, Nov. 2019, pp. 44-51, https://journals.vsu.ru/sorpchrom/article/view/1323.