1. Arnold, M. A., Meyerhoff, M. E.: Anal. Chem. 56, 20R (1984)
2. Arnold, M. A., Solsky, R. L.: ibid. 58, 84R (1986)
3. Durst, R. A. (ed.): Ion-Selective Electrodes, Washington, D.C.: National Bureau of Standards 1969
4. Freiser, H. (ed.): Ion-Selective Electrodes in Analytical Chemistry, vols. I, II, New York: Plenum 1978, 1980
5. Covington, A. K. (ed.): Ion-Selective Electrodes Methodology, vols. I, II, Boca Raton, Florida: CRC Press 1979