@article{oai:nifs-repository.repo.nii.ac.jp:00006861,
 author = {Matsumoto,  Y. and Nishiura,  M. and Wada,  M. and Sasao,  M. and Yamaoka,  H.},
 journal = {Annual Report of National Institute for Fusion Science},
 month = {2016-03-15},
 title = {The Role of H? Energy and Electric Field in the Extraction Region for H? Extraction Probability of a Negative Ion Source},
 volume = {Annual Report Apr.2004 - Mar.2005},
 year = {}
}