@article{oai:nifs-repository.repo.nii.ac.jp:00009390,
 author = {Wada,  M. and Kasuya,  T. and Matsumoto,  Y. and Sasao,  M.},
 journal = {Annual Report of National Institute for Fusion Science},
 month = {2016-03-14},
 title = {Energy Spread of He~ Ion Beam Produced from Low Work Function Metal Surface},
 volume = {Annual Report Apr.2000 - Mar.2001},
 year = {}
}