@article{oai:nifs-repository.repo.nii.ac.jp:00002754,
 author = {"Oka,  Y. and Takeiri,  Y. and Belchenko,  Yu.I. and Hamabe,  M. and Kaneko,  O. and Tsumori,  K. and Osakabe,  M. and Asano,  E. and Kawamoto,  T. and Akiyama,  R."},
 journal = {Annual Report of National Institute for Fusion Science},
 month = {2016-03-14},
 title = {On Mechanism of Cs Coverage Maintenance in the Large Hydrogen Negative Ion Source},
 volume = {Annual Report Apr.1999 - Mar.2000},
 year = {}
}