1. For a recent review see: R. Vianden, NATO-ASI E 144, (Kluwer, Dordrecht, 1988) p. 239.
2. A.F. Pasquevich and R. Vianden, Phys. Rev. B37, 10858 (1988).
3. R.M. Steffen and K. Alder inElectromagnetic Interaction in Nuclear Spectroscopy, ed. by H.D. Hamilton (North-Holland, Amsterdam, 1975).
4. See e.g. H. Ryssel, I. Ruge,Ionenimplantation (B.G. Teubner, Stuttgart, 1978).
5. J.W. Corbett,Electron Radiation Damage in Semiconductors and Metals (Academic Press, New York, 1966).