“The thermodynamics of super-equivalent sorption of glycine and phenylalanine by cation-exchanger KU-2-8” (2019) Sorbtsionnye i Khromatograficheskie Protsessy, 12(6). Available at: https://journals.vsu.ru/sorpchrom/article/view/1881 (Accessed: 3 April 2026).