1. Karrer, P., Kurs organicheskoi khimii (Course of Organic Chemistry), Kolosov, M.N., Ed., Leningrad: Izd. khim. litry, 1960.
2. Anderegg, G., Pure Appl. Chem., 1982, vol. 54, no. 12, p. 2693.
3. Fridman, Ya.D., Levina, M.G., Dolgashova, N.V., et al., Ustoichivost’ smeshannykh kompleksnykh soedinenii v rastvore (Stability of Mixed Complexes in Solutions), Fridman, Ya.D., Ed., Frunze: Ilim, 1971.
4. Dyatlova, N.M., Temkina, V.Ya., and Popov, K.I., Kompleksony i kompleksonaty metallov (Complexones and Metal Complexonates), Moscow: Khimiya, 1988.
5. Sadovnikova, L.K., Orlov, D.S., and Lozanovskaya, I.N., Ekologiya i okhrana okruzhayushchei sredy pri khimicheskom zagryaznenii (Ecology and Environment Protection on Chemical Pollution), Moscow: Vysshaya Shkola, 2006.