El-Bindary, A., A. El-Sonbati, M. Diab, and A. Barakat. “Potentiometric and Thermodynamic Studies of Some Azosulfoxine Derivatives and Their Metal Complexes”. Journal of Applied Solution Chemistry and Modeling, vol. 2, no. 3, Aug. 2013, pp. 191-6, doi:10.6000/1929-5030.2013.02.03.4.