1. Ruzicka J, Hansen EH (1981) Flow injection analysis. Wiley New York
2. Bailey PL (1980) Analysis with ion-selective electrodes, 2nd ed. Heyden London
3. Flow injection analysis bibliography (1985) Tecator
4. Van Staden JF Anal Chim Acta (in press)
5. Meyerhoff ME, Kovach PM (1983) J Chem Educat 60:766