1. A.C. Switendick, in: G. Alefeld, J. Völkl (Eds.), Hydrogen in Metals I, Topics in Applied Physics, vol. 28, Springer, Berlin, 1978, p. 101, and references therein.
2. Electronic Structure of Intermetallic Hydrides for Hydrogen Storage
3. Electronic structure and stability of hydrides of intermetallic compounds
4. Electronic structure calculations for LaNi5 and LaNi5H7: energetics and elastic properties
5. K.H.J. Buschow, in: K.A. Gschneidner Jr., L. Eyring (Eds.), Handbook on the Physics and Chemistry of Rare Earths, vol. 6, North-Holland, Amsterdam, 1984, p. 32.