1. Japan Atomic Energy Research Institute, Oarai Research Establishment Department of High-Temperature Engineering Test Reactor Oarai-machi, Higashiibaraki-gun, Ibaraki-ken, 314-11, Japan
2. Fuji Electric Company Ltd., Nuclear Power Division Engineering Department, 1-1, Tanabeshinden, Kawasaki-ku, Kawasaki-shi Kanagawa-ken, 210, Japan