1) J. W. Ross, Jr., “Ion-Selective Electrodes,” National Bureau of Standards Special Publication, No. 314, ed by R. A. Durst, U. S. Government Printing Office, Washington, D. C. (1969), Chap. 2.
2) K. Srinivasan and G. A. Rechnitz, Anal. Chem., 41, 1203 (1969).
3) P. R. Danesi, F. Salvemini, G. Scibona, and B. Scuppa, J. Phys. Chem., 75, 554 (1971);
P. R. Danesi, G. Scibona, and B. Scuppa, Anal. Chem., 43, 1892 (1971);