Positron annihilation : ICPA-10 : Proceedings of the 10th International Conference on Positron Annihilation, May 23-29, 1994, Beijing, China. Part1 pp.423-426, 1995. Aederlmannsdorf, Switzerland. Trans Tech Publications
Proceedings of the 18th International Conference on Defects in Semiconductors : ICDS-18, Sendai, Japan, July 23-28, 1995. pp.1481-1490, 1995. Zurich, Switzerland. Trans Tech Publications
Proceedings of the 18th International Conference on Defects in Semiconductors : ICDS-18, Sendai, Japan, July 23-28, 1995. pp.1177-1181, 1995. Zurich, Switzerland. Trans Tech Publications
Positron annihilation : ICPA-10 : Proceedings of the 10th International Conference on Positron Annihilation, May 23-29, 1994, Beijing, China. Part1 pp.327-330, 1995. Aederlmannsdorf, Switzerland. Trans Tech Publications