1. Proc. Int. Conf. on hyperfine interactions studied in nuclear reactions and decay, Uppsala, 1974, eds. E. Karlsson and R. W?ppling (Almquist and Wiksell, Stockholm, 1975) and contributed papers.
2. Proc. Int. Conf. on applications of the Mössbauer effect, Ayelet Hashahar, 1972, eds. S.G. Cohen and M. Pasternak (Plenum, New York, 1973) and contributed papers.
3. Proc. 5th Int. Conf. on Mössbauer spectroscopy, Bratislava, 1973, eds. M. Hucl and T. Zem?ik (Czechoslovak AEC, Prague, 1975).
4. Proc. Int. Conf. on the applications of the Mössbauer effect, Bendor, 1974, eds. C. Janot, J.-M. Friedt and G.K. Shenoy, J. de Physique, Colloque C6, supplement au Tome 35, 1974.
5. Proc. Int. Conf. on Mössbauer spectroscopy, Cracow, 1975, eds. A.Z. Hrynkiewicz and J.A. Sawicki.