1. Interim storage facility, encapsulation plant and final repository for spent nuclear fuel, Swedish Nuclear Fuel and Waste Management Company (SKB), information material, Stockholm, 2008
2. J. M. Cleveland , The Chemistry of Plutonium, Gordon and Breach Science Publishers, 1970
3. Hydration and Hydrolysis of Thorium(IV) in Aqueous Solution and the Structures of Two Crystalline Thorium(IV) Hydrates
4. H. T. Weger , S.Okajima, J. C.Cunnane and D. T.Reed, Scientific basis for nuclear waste management XVI, in Materials Research Society Symposia Proceedings, ed. C. G. Interrante and R. T. Pabalan, 1993, vol. 294, pp. 739–745