1. Chernikov, V.A., Milashchenko, N.Z., and Sokolov, O.A., Ecological Safety and Sustainable Development, Ustoichivost' pochv k antropogennomu vozdeistviyu (Resistance of Soils to Anthropogenic Impacts), Pushchino: ONTI PNTs RAN, 2001.
2. Chang, A.C., Page, A.L., and Bingham, F.T., Heavy Metal Absorption by Winter Wheat Following Termination on Cropland Sludge Application, J. Environ. Qual., 1982, vol. 11, pp. 705–708.
3. Kozhemyakov, A.P., Chernyaeva, I.I., Belimov, A.A., Kunakova, A.M., Fomenko, E.V., Yudkin, L.Y., Stepanok, V.V., Rabinovich, G.Y., and Chernenok, I.V., Effect of Inoculation with Nitrogen-Fixing Bacteria on Heavy Metals and Radionuclides Uptake by the Plants Grown in Contaminated Soils, Nitrogen Fixation: Fundamentals and Applications, Proc. 10th Int. Congr. on Nitrogen Fixation, St. Petersburg, 1995, p. 765.
4. Burd, G.I., Dixon, D.G., and Glick, B.R., Plant Growth-Promoting Bacteria That Decrease Heavy Metal Toxicity in Plants, Can. J. Microbiol., 2000, vol. 46, no.3, pp. 235–237.
5. Bitton, G. and Freihofer, V., Influence of Extracellular Polysaccharides on the Toxicity of Copper and Cadmium, Microb. Ecol., 1978, vol. 4, pp. 119–125.