1. L. G. SILLEN and A. E. MARTELL (Compilers), Stability Constants of Metal Complexes, Chemical Society (London), Special Publication No. 17, 1964 and No. 25, 1971.
2. F. L. MOORE, Anal. Chem., 37 (1965) 1235.
3. F. L. MOORE, Anal. Chem., 38 (1966) 905.
4. C. F. COLEMAN, K. B. BROWN, J. G. MOORE, K. A. ALLEN, Proc. Int. Conf. PUAE, Geneva A/CONF, 15/P/510, 1958.
5. F. L. MOORE, Anal. Chem., 32 (1960) 1075.