1. D. R. Kester and R. H. Byrne, inFerromanganese Deposits on the Ocean Floor, D. R. Horn, ed., (Columbia University Press, New York, 1972), p. 107.
2. D. R. Kester, R. H. Byrne, and Y-J. Liang, inMarine Chemistry in the Coastal Environment, T. M. Church, ed., ACS Symposium Series, No. 18 (1975), p. 56.
3. L. G. Sillen and A. E. Martell,Stability Constants of Metal-Ion Complexes, Special Publication No. 17, The Chemical Society (Burlington House, 1964), p. 53.
4. L. G. Sillen and A. E. Martell,Stability Constants of Metal-Ion Complexes, Special Publication No. 25, The Chemical Society (Burlington House, 1971), p. 22.
5. R. H. Byrne and D. R. Kester,Mar. Chem. 4, 255 (1976).