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3. Hyperfine interactions in excited nuclei, ed. G. Goldring and R. Kalish (Gordon and Breach, New York, 1971).
4. Hyperfine interaction studied in nuclear reactions and decay, ed. E. Karlsson and R. W�ppling (Almqvist and Wiksell, Stockholm, 1974); invited papers have also been published in Physica Scripta, Vol. 11 (1975).
5. Hyperfine interactions 4, ed. R.S. Raghavan and D.E Murnick (North-Holland, Amsterdam, 1978).