@article{oai:nifs-repository.repo.nii.ac.jp:00006860,
 author = {Matsumoto,  Y. and Nishiura,  M. and Wada,  M. and Sasao,  M. and Shinto,  K. and Yamaoka,  H.},
 journal = {Annual Report of National Institute for Fusion Science},
 month = {2016-03-15},
 title = {The Role of an Electric Field for H- Extraction in a Hydrogen Negative Ion Source},
 volume = {Annual Report Apr.2006-Mar.2007},
 year = {}
}