The JAERI Energy-Recovery Linac for Free-Electron Lasers       613
  Eisuke J. Minehara, Ryoichi Hajima, Masaru Sawamura, Ryoji Nagai, Nobuyuki Nishimori, Nobuhiro Kikuzawa, Masayoshi Sugimoto, Toshihiko Yamauchi, Taketo Hayakawa, and Toshiyuki Shizuma (JAERI)