1. Hyperfine Interactions of Radioactive Nuclei;Recknagel,1983
2. Proc. 5th Int. Conf. on Hyperfine Interactions,1981
3. Proc. 6th Int. Conf. on Hyperfine Interactions,1983
4. Proc. 7th Int. Conf. on Hyperfine Interactions,1987
5. Site Characterization and Aggregation of Implanted Atoms in Materials;de Waard,1978