Proceedings of the 16th International Conference on Defects in Semiconductors : Lehigh University, Bethlehem, Pennsylvania, 22-26 July 1991. Pt.2 pp.539-550, 1992. Zurich, Switzerland. Trans Tech Publications
Proceedings of the 15th International Conference on Defects in Semiconductors : Budapest, Hungary, August 22-26, 1988. Part3 pp.991-996, 1989. Aederlmannsdorf, Switzwelns. Trans Tech Publications
Proceedings of the 15th International Conference on Defects in Semiconductors : Budapest, Hungary, August 22-26, 1988. Part3 pp.997-1002, 1989. Aederlmannsdorf, Switzwelns. Trans Tech Publications
Positron annihilation, ICPA-11 : Proceedings of the 11th International Conference on Positron Annihilation, Kansas City, Missouri, USA, May 1997. pp.647-649, 1997. Zuerich, Switzerland. Trans Tech Publications
Proceedings of the 17th International Conference on Defects in Semiconductors : ICDS-17, Gmunden, Austria, July 18-23, 1993. Pt.2 pp.951-955, 1994. Zurich, Switzerland. Trans Tech Publications
Proceedings of the 17th International Conference on Defects in Semiconductors : ICDS-17, Gmunden, Austria, July 18-23, 1993. Pt.2 pp.945-950, 1994. Zurich, Switzerland. Trans Tech Publications
Proceedings of the 16th International Conference on Defects in Semiconductors : Lehigh University, Bethlehem, Pennsylvania, 22-26 July 1991. Pt.2 pp.629-634, 1992. Zurich, Switzerland. Trans Tech Publications