1. J. E. CLINE, J. R. NOYCE, L. J. COE, K. W. WRIGHT, Report NUREG/CR/4101, (1985).
2. D. W. JAMES, Proceedings of the International Conference on Nuclear Waste Management and Environmental Remediation, Prague, September 1993.
3. C. J. PEDERSEN, J. Am. Chem. Soc., 89, 7017 (1967).
4. E. P. HORWITZ, M. L. DIETZ, D. E. FISHER, Anal. Chem., 63, 522–5, (1991).
5. P. PAVIET, A. RAYMOND, R. METCALF, MARC II Conference, Kona, April 1991.