Shmelev, A. A., E. O. Filippova, R. V. Shafigulin, and A. V. Bulanova. “Synthesis and Adsorption Properties of Mesoporous Silica Modified With Nickel and Copper”. Sorbtsionnye I Khromatograficheskie Protsessy, Vol. 18, no. 6, Dec. 2018, pp. 836-45, doi:10.17308/sorpchrom.2018.18/611.