Pitzer, K.S. (1973). «Thermodynamics of electrolytes, I. Theoretical basis and general equations». J. Phys. Chem.77: 268-277. doi:10.1021/j100621a026.
Brønsted, J.N. (1922). «Studies on solubility IV. The principle of the specific interaction of ions». J. Am. Chem. Soc.44: 877-898. doi:10.1021/ja01426a001.
Scatchard, G. (1936). «Concentrated solutions of strong electrolytes». Chem. Rev.19: 309-327. doi:10.1021/cr60064a008.
Crea, F.; De Stefano, C.; Foti, C.; Sammartano, S. (2007). «Sit parameters for the dependence of (poly)carboxylate activity coefficients on ionic strength ...». J. Chem. Eng. Data52: 2195-2203. doi:10.1021/je700223r.
Bromley, L.A. (1973). «Thermodynamic properties of strong electrolytes in aqueous solutions». AIChEJ19 (2): 313-320. doi:10.1002/aic.690190216.
Foti, C.; Gianguzza, A.; Sammartano, S. (1997). «Comparison of equations for fitting protonation constants of carboxylic acids in aqueous tetramethylammonium chloride at various ionic strengths». Journal of Solution Chemistry26 (6): 631-648. doi:10.1007/BF02767633.