Positron annihilation : Proceedings of the 9th International Conference on Positron Annihilation, August 26-31, 1991, Szombathely, Hungary. Pt.3 pp.1447-1450, 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.1451-1454, 1992. Aederlmannsdorf, Switzerland. Trans Tech Publications
Vacancies and interstitials in metals and alloys : Proceedings of the International Conference on Vacancies and Interstitials in Metals and Alloys held in Berlin, Germany, September 14-19, 1986. Pt.2 pp.869-874, 1987. 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.1379-1382, 1992. Aederlmannsdorf, Switzerland. Trans Tech Publications