1. Abe, M. and Tsujii, M. (1983) Chem. Lett., 1561.
2. Abe, M., Chitrakar, R., Tsujii, M., and Fukumoto, K. (1985) Solvent Extr. Ion Exch., 3, 149.
3. Adair, H. L. (1970) J. Inorg. Nucl. Chem., 32, 1170.
4. Agnew, S. F., Boyer, J., Corbin, R. A., Duran, T. B., Fitzpatrick, J. R., Jurgensen, K. A., Ortiz, T. P., and Young, B. L. (1997) Hanford Tank Chemical and Radionuclide Inventories: HDW Model Rev. 4, Los Alamos National Laboratory.
5. Akatsu, J. and Kimura, T. (1990) J. Radioanal. Nucl. Chem., 140, 195.