1. M. T. Beck, Chemistry of Complex Equilibria (Van Nostrand Reinhold, London, 1970; Mir, Moscow, 1973).
2. M. T. Beck and I. Nagypal, Chemistry of Complex Equilibria (Akademiai Kiado, Budapest, 1989; Mir, Moscow, 1989).
3. F. J. Rossotti and H. Rossotti, The Determination of Stability Constants and Other Equilibrium Constants in Solution (McGraw-Hill, New York, 1961; Mir, Moscow, 1965).
4. N. M. Dyatlova, V. Ya. Temkina, and K. I. Popov, Complexones and Complexonates of Metals (Khimiya, Moscow, 1988) [in Russian].
5. N. V. Shcheglova and T. V. Popova, Zh. Anal. Khim. 59(12), 1 (2004) [J. Anal. Chem. 59 (12), 1181 (2004)].