1. A REVIEW OF THE BASIC CHEMISTRY AND RECENT DEVELOPMENTS IN TRIVALENT f-ELEMENTS SEPARATIONS
2. K.L. Nash, M. Jensen, in: K.A. Gschneider, L. Eyring (Eds.), Handbook of the Physics and Chemistry of Rare Earths, Elsevier, Amsterdam, 2002 (Chapter 180).
3. F.A. Cotton, G. Wilkinson, Advanced Inorganic Chemistry, fifth ed., Wiley Interscience, New York, 1988.
4. E.P. Horwitz, R. Chiarizia, in: N.A. Chipmen, C.M. Wai (Eds.), Separation Techniques in Nuclear Waste Management, CRC, Florida, 1996.
5. Fractional extraction of the lanthanides as their di-alkyl orthophosphates