@article{oai:nifs-repository.repo.nii.ac.jp:00001894, author = {"Nakamura, K. and Ohkubo, H. and Suzuki, K. and Sugai, H. and Kuroda, Y."}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-14}, title = {Inductive RF Negative Ion Sources with Internal Metal Antenna}, volume = {Annual Report Apr.1996 - Mar.1997}, year = {} }