1. Valence Fluctuations and Metallic Behavior in K6Cu12U2S15, a New Quaternary Sulfide with a Unique Three-Dimensional Cubic Framework
2. T.H. Siddall, in: E.A. Boudreaux, L.N. Mulay (Eds.), Theory and Applications of Molecular Paramagnetism, Wiley & Sons, New York, 1976, pp. 257, 317.
3. C. Miyake, in: A.J. Freeman, C. Keller (Eds.), Handbook on the Physics and Chemistry of the Actinides, vol. 6, Elsevier, Amsterdam, 1991, Chapter 6, p. 337.
4. H. Lueken, Magnetochemie, Teubner, Stuttgart, Leipzig, 1999.
5. PROGRAM CONDON is free software, covered by the GNU General Public Licence, and is available from http://www.condon.fh-aachen.de.