Positron annihilation : Proceedings of the 9th International Conference on Positron Annihilation, August 26-31, 1991, Szombathely, Hungary. Pt.3 pp.1387-1390, 1992. Aederlmannsdorf, Switzerland. Trans Tech Publications
Shallow Impurities in Semiconductors : Proceedings of the Fifth International Conference on Shallow Impurities in Semiconductors "Physics and Control of Impurities", International Conference Center Kobe, Japan, 5 to 8 August, 1992. pp.411-416, 1993. Aedermannsdorf, Switzerland. Trans Tech Publications
Positron annihilation : Proceedings of the 9th International Conference on Positron Annihilation, August 26-31, 1991, Szombathely, Hungary. Pt.3 pp.1423-1426, 1992. Aederlmannsdorf, Switzerland. Trans Tech Publications
Shallow Impurities in Semiconductors : Proceedings of the Fifth International Conference on Shallow Impurities in Semiconductors "Physics and Control of Impurities", International Conference Center Kobe, Japan, 5 to 8 August, 1992. pp.315-320, 1993. Aedermannsdorf, Switzerland. Trans Tech Publications
Shallow Impurities in Semiconductors : Proceedings of the Fifth International Conference on Shallow Impurities in Semiconductors "Physics and Control of Impurities", International Conference Center Kobe, Japan, 5 to 8 August, 1992. pp.501-506, 1993. Aedermannsdorf, Switzerland. Trans Tech Publications
Shallow Impurities in Semiconductors : Proceedings of the Fifth International Conference on Shallow Impurities in Semiconductors "Physics and Control of Impurities", International Conference Center Kobe, Japan, 5 to 8 August, 1992. pp.483-487, 1993. Aedermannsdorf, Switzerland. Trans Tech Publications
Proceedings of the 17th International Conference on Defects in Semiconductors : ICDS-17, Gmunden, Austria, July 18-23, 1993. Pt.3 pp.1583-1588, 1994. Zurich, Switzerland. Trans Tech Publications
Positron annihilation : Proceedings of the 9th International Conference on Positron Annihilation, August 26-31, 1991, Szombathely, Hungary. Pt.3 pp.1467-1470, 1992. Aederlmannsdorf, Switzerland. Trans Tech Publications
Positron annihilation : Proceedings of the 9th International Conference on Positron Annihilation, August 26-31, 1991, Szombathely, Hungary. Pt.3 pp.1479-1482, 1992. Aederlmannsdorf, Switzerland. Trans Tech Publications
Positron annihilation : Proceedings of the 9th International Conference on Positron Annihilation, August 26-31, 1991, Szombathely, Hungary. Pt.3 pp.1463-1466, 1992. Aederlmannsdorf, Switzerland. Trans Tech Publications