“The Kinetic Sorption of Heavy Metals from Surface Water on Natural and Modified Polyethilenimine Clinoptilolite of Holinsky Deposit”. Sorbtsionnye i Khromatograficheskie Protsessy 16, no. 1 (November 14, 2019): 36–43. Accessed April 5, 2026. https://journals.vsu.ru/sorpchrom/article/view/1322.