1. David, F., J. Less-Common Met., 1986, vol. 121, no. 1, pp. 27–42.
2. Bratsch, S.G. and Lagowski, J.J., J. Phys. Chem., 1986, vol. 90, no. 2, pp. 307–312.
3. Peligot, E., Ann. Chim. Phys., 1842, vol. 5, no. 3, pp. 5–8.
4. Peligot, E., Justus Liebigs Ann. Chem., 1842, vol. 43, pp. 255–257.
5. Drozdzynski, J., Handbook on the Physics and Chemistry of the Actinides, Freeman, A.J. and Keller, C., Eds., Amsterdam: North-Holland, 1991, vol. 6, pp. 281–336.