@article{oai:nifs-repository.repo.nii.ac.jp:00007844,
 author = {Shinohara,  S. and Nakamura,  Y. and Kaneko,  O. and Tsumori,  K.},
 journal = {Annual Report of National Institute for Fusion Science},
 month = {2016-03-14},
 title = {Development of High Density Negative Ion Source by Helicon Wave},
 volume = {Annual Report Apr.2003 - Mar.2004},
 year = {}
}