Reilly, J.J., Hoffman, K.C., Strickland, G. and Wiswall, R.H., 26th Power Sources Symp., 1974, Atlantic City, New Jersey, p. 11．
[7]
Klein, M. and George, M., 26th Power Sources Symp., 1974, Atlantic City, New Jersey, p.18．
[8]
Tanaka, S., Clewley, J.D. and Flaragan, T. B., J. Less-Common Metals, 56 (1977) , 137．
[9]
Boser, O. and Lehrfeld, D., Record of the 10th Intersociety Energy Conversion Engineering Conference, 1975, Published by IEEE, New York, Newark Delaware, p. 1363．
[10]
Lundin, C.E. and Lynch, F.E., Record of the 10th Intersociety Energy Conversion Engineering Conference, 1975, Published by IEEE, New York, Newark Delaware, p. 1380．
[11]
Boser, O., J. Less-Common Metals, 46 (1976) , 91．
[12]
Buschow, K.H.J. and Van Mal, H.H., J. Less-Common Metals, 29 (1972) , 203．
[13]
Pryde, J.A. and Titcomb, C.G., J. Phys. C: Solid State Phys., 5 (1972) , 1293．
