1. Spectrophotometric evaluation of acidity constants of two-step overlapping equilibria from the inflexion points of the absorbance versus pH graphs with application to the dipyridylglyoxal mono(2-pyridyl)hydrazone system;Asuero;Acta Pharm. Technol.,1988
2. Mathematical treatment of absorbance versus pH graphs of polybasic acids;Asuero;Talanta,1986
3. Numerical evaluation of overlapping acidity constants from the ratio of absorbances at two wavelengths;Asuero;Mikrochim. Acta,1986
4. Metal Ammine Formation in Aqueous Solution (Theory of Reversible Step Reactions);Bjerrum,1957
5. I.U.P.A.C., Compendium of Analytical Nomenclature;Irving,1978