The authors consider Ce mixed valence compounds and the discrepancy between parameters deduced for thermodynamic and spectroscopic experiments. They use the Anderson model as a microscopic model to investigate what information about the parameters is contained in the different experiments.
 

Giant Resonances in Atoms, Molecules, and Solids. Proceedings of a NATO Advanced Study Institute Editor(s): Connerade, J.P.; Esteva, J.M.; Karnatak, R.C. New York, NY, USA: Plenum, 1987. p.405-30 of xi+570 pp. 38 refs. Conference: Les Houches, France, 16-26 June 1986 Sponsor(s): NATO ISBN: 0-306-42564-5.