1. A. J. MAELAND,Proceedings of the International Symposium, edited by A. F. Andresen and A. J. Maeland (Pergamon, Oxford, 1978) p. 447.
2. A. J. MAELAND, L. E. TANNER and G. G. LIBOWITZ,J. Less-Common Met. 74 (1980) 279.
3. F. H. M. SPIT, J. W. DRIJVER and S. RADELAAR,Zeitschrift Physikalische Chemie, Neue Folge 116 (1979) 225.
4. Idem, Scripta Met. 14 (1980) 1076.
5. B. BARANOWSKI, S. FILIPEK and A. CA?KA, International Symposium on the Properties and Applications of Metal Hydrides II, Toba, Japan, May?June, 1982.