“Selectivity silica gel with covalently linked thiosemicarbazide relative to the mixture Cu (II), Co (II), Cd (II), Ni (II), Zn (II)” (2018) Sorbtsionnye i Khromatograficheskie Protsessy, 17(1), pp. 94–101. doi:10.17308/sorpchrom.2017.17/357.