1. Dunlap, B.D., Kalvius, G.M.: In: Freeman, A.J., Lander, G.H. (eds) Handbook on the Physics and Chemistry of Actinides, pp. 329–434. Elsevier Science Publishers B.V. (1985)
2. Jové, J., He, L., Proust, J., Pagés, M., Pyykkö, P.: J. Alloys Compd. 177, 285–310 (1991)
3. Alcock, N.W., Flanders, D.J., Pennington, M.: Acta Crystallogr. C43, 1476–1480 (1987)
4. Alcock, N.W., Flanders, D.J.: J. Chem. Soc. Dalton Trans. 679–681 (1984)
5. Saito, T., Wang, J., Kitazawa, T., Takahashi, M., Takeda, M., Nakada, M., Nakamoto, T., Masaki, N.M., Yamashita, T., Saeki, M.: J. Radioanal. Nucl. Chem. 239(2), 319–323 (1999)