Proceedings of the 15th International Conference on Defects in Semiconductors : Budapest, Hungary, August 22-26, 1988. Part2 pp.935-938, 1989. Aederlmannsdorf, Switzwelns. Trans Tech Publications
Proceedings of the 15th International Conference on Defects in Semiconductors : Budapest, Hungary, August 22-26, 1988. Part3 pp.1397-1402, 1989. Aederlmannsdorf, Switzwelns. Trans Tech Publications