1. [1] http://www.aist.go.jp/aist_j/press_release/pr2009/pr20090319/pr20090319.html
2. [2] TELL-TERAS Activity Report 1987-1990, Electrotechnical Laboratory, Japan (1990).
3. [3] R. Suzuki, K. Yamada, M. Koike, S. Ichimura, N. Sei, H. Toyokawa, H. Ogawa, M. Yasumoto, R. Kuroda, T. Ohdaira, A. Kinomura and N. Oshima:50 % Reduction of energy consumption in AIST electron accelerator facility, Proc. 3rd Annual Meeting of Particle Accelerator Society of Japan, 242-244 (2006).
4. [4] R. Suzuki: Generation of slow positron beam by an electron LINAC and its applications, Proc. 2nd Annual Meeting of Particle Accelerator Society of Japan, 82-86 (2005).