1. Y. Ōnuki, T. Goto, T. Kasuya in: K.H.J. Buschow (Ed.), Materials Science and Technology, Vol. 3A, Part I, VCH, Weinheim, 1992, p. 545 (Chapter 7).
2. Handbook on the Physics and Chemistry of Rare Earth, Vol. 20;Ōnuki,1995
3. Valence Instabilities and Related Narrow Band Phenomena;Doniach,1977
4. Low-Temperature Specific Heat of CexLa1-xCu6
5. Low temperature heat capacity, magnetization, resistivity of CeRu2Si2, with Y or La substitution