1. H. de Waard: In Mössbauer Spectroscopy and Its Applications (IAEA, Vienna 1972) p.123
2. H. de Waard: Phys. Scr. 11, 157 (1975)
3. B.D. Sawicka, J.A. Sawicki : In Proc. Int. Conf. on Mössbauer Spectroscopy, Vol.2, ed by D. Barb, D. Tarina (Bucharest 1977) p.35
4. B. D. Sawicka : Hyperfine Interactions of
57
Fe Implanted in So lids Studied by Conversion Electron Mössbauer Spectroscopy, Rpt No .1030/ PL , Institute of Nuclear Physics, Cracow (1978)
5. P.D. Townsend, J.C. Kelly, N.E.W. Hartley: Ion Implantation, Sputtering and Their Applications (Academic, London, New York, San Francisco 1976)