1. Kovalenko, L.V. and Folmanis, G.E., Biologicheski aktivnye nanoporoshki zheleza (Biologically Active Iron Nanopowders), Moscow: Nauka, 2006.
2. Arsent’eva, I.P., Dzidziguri, E.L., Zakharov, N.D., et al., Persp. Mater., 2004, no. 4, pp. 64–68.
3. Metlitskii, L.V. and Ozeretskovskaya, O.L., Kak rasteniya zashchishchayutsya ot boleznei (How Plants Protect Themselves Against Diseases), Moscow: Nauka, 1985.
4. Folmanis, G.E. and Kovalenko, L.V., Resursy Tekhnol. Ekonomika, 2005, no. 3, pp. 31–38.
5. Selivanov, V.N., Zorin, E.V., Folmanis, G.E., et al., Persp. Mater., 2001, no. 3, pp. 48–52.