@article{oai:nifs-repository.repo.nii.ac.jp:00008450, author = {Takeiri, Y. and Oka, Y. and Ando, A. and Kaneko, O. and Tsumori, K. and Akiyama, R. and Kawamoto, T. and Kuroda, T.}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-14}, title = {Gas Flow Analysis in a Vacuum-Immersed Negative Ion Source}, volume = {Annual Report Apr.1993 - Mar.1994}, year = {} }