1. W. Pardue, Reactor Materials,7, 213 (1964?1965).
2. R. Elliott and A. Larson, in the collection: Plutonium, Reports of Foreign Scientists [Russian translation], Atomizdat, Moscow (1964), p. 198.
3. Reports of Soviet Scientists;A. A. Bochvar,1959
4. Selected Reports of Foreign Scientists;M. B. Waldron,1959
5. F. Ellinger, see [2], p. 226.