1. “Point Defects and Defect Interactions in Metals”, eds. J.I. Takamura, M. Doyama and M. Kiritani (University of Tokyo Press, Tokyo, 1982)
2. E. Recknagel, G. Schatz and Th. Wichert, in “Hyperfine Interactions of Radioactive Nuclei”, ed. J. Christiansen, Topics of Current Physics, Vol.31 (Springer, Heidelberg-New York, 1983) p. 133
3. F. Pleiter and C. Hohenemser, Phys.Rev. B25 (1982) 106
4. Th. Wichert in ref.1“, p. 19
5. M. Deicher, E. Recknagel and Th. Wichert, Radiat.Eff. 54 (1981) 155