“Synthesis and Study of Catalytical Activity of Shungite Modified With Copper Nanoparticles”. Sorbtsionnye i Khromatograficheskie Protsessy 17, no. 2 (February 21, 2018): 212–219. Accessed April 3, 2026. https://journals.vsu.ru/sorpchrom/article/view/373.