@article{oai:nifs-repository.repo.nii.ac.jp:00006850, author = {Matsumoto, Y. and Kisaki, M. and Nishiura, M. and Yamaoka, H. and Sasao, M. and Wada, M.}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-15}, title = {Influence of Electron Suppression Magnetic Field on H? Extraction in Hydrogen Negative Ion Source}, volume = {Annual Report Apr.2013 - Mar.2014}, year = {} }