1. 1) R. E. GOLD, E. E. BLOOM, F. W. CLINARD, D. L. SMITH, R. D. STEVENSON and W. G. WOLFER : Nuclear Technology/FUSION, 1 (1981), p. 169
2. 10) G. GUNZ, F. PELLICANI, J. HOUIS and B. DUGUAIRE : Ferritic Steel for Fast Reactor Steam Generators (1978), p. 164 [British Nuclear Energy Society, London]
3. 12) G. J. SPAEDER : Metall. Trans., 1 (1970), p. 2011