著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Chen,Broadly Tunable THz-FEL Amplifier,"in Proc. 36th Int. Free-Electron Laser Conf., Basel, Switzerland",,,2014,,,,https://cir.nii.ac.jp/crid/1370851344370992256,