1. Adar, S., Sjoblom, R. K., Barnes, R. F., Fields, P. R., Hulet, E. K., and Wilson, H. D. (1963) J. Inorg. Nucl. Chem., 25, 447–52.
2. Ahmad, I. (1980) Abstr. Pap. Am. Chem. Soc., 179 (Mar) 122-NUCL.
3. Ahrland, S. (1991) in Handbook on the Chemistry and Physics of the Actinides, vol. 6 (eds. A. J. Freeman and C. Keller), North-Holland, New York, pp. 471–510.
4. Aizenberg, M. I., Fedoseev, E. V., and Travnikov, S. S. (1988) Sov. Radiochem., 30(3), 299–302.
5. Aleksandrov, B. M., Malysheva, L. P., Savoskina, G. P., Smirnova, E. A., and Krivokhat-skii, A. S. (1972) Radiokhimiya, 19, 472–7.