@article{oai:nifs-repository.repo.nii.ac.jp:00009384,
 author = {Wada,  M. and Akamatsu,  K. and Ido,  T. and Nishiura,  M. and Shimizu,  A.},
 journal = {Annual Report of National Institute for Fusion Science},
 month = {2016-03-14},
 title = {Radio Frequency Excitation of Plasmas for a Plasma-Sputter-Type Negative Ion Source},
 volume = {Annual Report Apr.2007 - Mar.2008},
 year = {}
}