1. Baker, A.J.M., Accumulators and Excluders-Strategies in Response of Plants to Heavy Metals, J. Plant Nutr., 1981, vol. 3, pp. 643–654.
2. Kabata-Pendias, A. and Pendias, H., Trace Elements in Soils and Plants, Boca Raton: CRC, 1984.
3. Alekseeva-Popova, N.V., Cellular and Molecular Mechanisms of Plant Tolerance to Heavy Metals, Ustoichivost’ k tyazhelym metallam dikorastushchikh vidov (Tolerance to Heavy Metals in Wild-Grown Species), Alekseeva-Popova, N.V., Ed., Leningrad: Lenuprizdat, 1991.
4. Temp, G.A., Nickel in Plants as Related to Its Toxicity, Ustoichivost’ k tyazhelym metallam dikorastushchikh vidov (Tolerance to Heavy Metals in Wild-Grown Species), Alekseeva-Popova, N.V., Ed., Leningrad: Lenuprizdat, 1991.
5. Metal Ions in Biological Systems, Concepts on Metal Ion Toxicity, Singel, H. and Singel, A., Eds., New York: Marcel Dekker, 1986.