1. E. Högfeldt, Stability Constants of Metal Ion Complexes. Part B: Inorganic Ligands. Chemical Data Series, vol. No. 21, 1982, Pergamon, Oxford.
2. R.M. Smith, A.E. Martell, Critical Stability Constants. vol. 4. Inorganic Ligands, 1976, Plenum Press, New York.
3. Ion association of Cl− with Na+, K+, Mg2+ and Ca2+ in aqueous solution at 10 ⩽ T ⩽ 45 ° C and 0 ⩽ I ⩽ 1 mol l−1
4. A. De Robertis, C. Foti, A. Gianguzza, S. Sammartano, in: A. Gianguzza, E. Pelizzetti, S. Sammartano (Eds.), Marine Chemistry: An Environmental Analytical Chemistry Approach, Water Science and Technology Library, vol. 25, 1997, Kluwer Academic Publishers, Dordrecht, p. 59.