1. Cammann, K., Working with Ion-Selective Electrodes, Berlin: Springer, 1977.
2. Nikol’skii, B.P. and Materova, E.A., Ionoselektivnye Elektrody (Ion-Selective Electrodes), Leningrad: Khimiya, 1980.
3. Koryta, J. and Stulic, K., Iontovesektival Elektrody (Ion-Selective Electrodes), Prague: Academia, 1984.
4. Morf, W., The Principles of Ion-Selective Electrodes and of Membrane Transport, Budapest: Akademiai Kiado, 1981.
5. Hawthorne, M.F., Angew. Chem., Int. Ed. Engl., 1993, vol. 32, p. 950.