1. Small Emittance Light Source Workshop, Lund, March 2004.
2. M. Boege, in: Proceedings of 9th European Particle Accelerator Conference, Lucern, July 2004, p. 211.
3. D. Robin, in: Proceedings of 8th European Particle Accelerator Conference 2002, Paris, June 2002, p. 215.
4. C. Kuo, H. Chang, G. Luo, H. Tsai, M. Wang and C. Chen, in: Proceedings of Particle Accelerator Conference 2005, Knoxville, June 2005, p. 2989.
5. Z. Dai, G. Liu, N. Huang, in: Proceedings of Second Asian Particle Accelerator Conference, Beijing, September 2001, p. 369.