1. [1] K. Yamazaki and Y. Kubota, Proceedings of Plasma Science Symposium 2005 and the 22nd Symposium 2005 and the 22nd Symposium on Plasma Processing (PSS2005/SPP-22) P3-094 (2005).
2. [2] K. Yamazaki and Y. Abe, Research Report of the Institute of Plasma Physics, Nagoya, Japan, IPPJ-718 (1985).
3. [3] K. Yamazaki, Y. Taira et al., J. Plasma Science and Fusion Research SERIES (in print) 14th International Congress on Plasma Physics (ICPP2008) (September 8-12, 2008, Fukuoka).
4. [4] T. Ohkawa, 3rd Stellarator Workshop (Moscow, 1981) vol 1, 111 (1981).
5. Spherical Stellarator Configuration