1. Schrauzer, G.N., Trace Metals in Health and Disease, Kharasch, N., Ed., New York: Raven Press, 1979, pp. 251–261.
2. Avtsyn, A.P., Zhavoronkov, A.A., Rish, M.A., and Strochkova, L.S., Mikroelementozy cheloveka: etiologiya, klassifikatsiya, organopatologiya (Human Microelementosises: Aethiology, Classification, Organic Pathology), Moscow: Meditsina, 1991.
3. Hamilton, E.I., Sci. Total. Environ., 1976, vol. 5, pp. 1–62.
4. Hamilton, E.I., Sb. materialov soveshchaniya “Neitronnyi aktivatsionnyi analiz v okhrane okruzhayushchei sredy”, 15–18 sentyabrya 1992 g. Dubna (Proc. Meeting “Neutron Activation Analysis in Environment Control” Sept. 15–18, 1992, Dubna), Dubna: Joint Institute for Nuclear Research, 1993, pp. 11–30.
5. Walter, J., Sci. Total Environ., 1988, vol. 27, pp. 21–32.