1. Ambo-Rappe, R., Lajus, D.L., and Schreider, M.J., Translational Fluctuating Asymmetry and Leaf Dimension in Seagrass, Zostera capricorni Aschers in a Gradient of Heavy Metals, Environ. Bioindicators, 2007, vol. 2, no. 2, pp. 99–116.
2. Batyan, A.N., Frumin, G.T., and Bazylev, V.N., Osnovy obshchei i ekologicheskoi toksikologii (Fundamentals of General and Environmental Toxicology), St. Petersburg: SpetsLit, 2009.
3. Belkina, T.D., Sostoyanie gorodov Rossii 2008 (The State of Russian Cities in 2008), Moscow: Gorod-Region-Sem’ya, 2008.
4. Bulatov, V.V., Khakhaev, T.Kh., Dikii, V.V., et al., The Problem of Low and Ultra-Low Doses in Toxicology. Fundamental and Applied Aspects, Ross. Khim. Zh., 2002, vol. 46, no. 6, pp. 58–62.
5. Calabrese, E.J. and Blain, R.B., Hormesis and Plant Biology, Environ. Pollut., 2009, vol. 157, pp. 42–48.