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Proceedings of the 17th International Conference on Defects in Semiconductors : ICDS-17, Gmunden, Austria, July 18-23, 1993. Pt.2 pp.707-714, 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.653-658, 1992. Zurich, Switzerland. Trans Tech Publications