1. D. Klein, K.-D. Thoben, presented at Europäische Tagung, Maastricht, Netherlands, April 14-15, 2005, pp. 238-244.
2. P. Lamesle, E. Vareilles, M. Aldanondo, presented at 1st Int. Conf. on Distortion Engineering, Bremen, Germany, September 14-16, 2005, pp. 39-47.