1. Proc. Int. Conf. on Electromagnetic Isotope Separators,1965
2. Int. Conf. on Applications of Ion Beams to Semiconductor Technology,1967
3. I. Ion Implantation,1971
4. II. Int. Conf. on Ion Implantation in Semiconductors,1971
5. III. Ion Implantation in Semiconductors and Other Materials,1973